Solid synonym

The definition of trustworthy is someone who is honest who can be entrusted with your secrets or with anything else of importance.

Unchanging in nature, value, or extent; invariable:

Relatively unchanging, permanent; firmly fixed or established; consistent; not easily moved, altered, or destroyed.

Firmly, often dogmatically held:

Lacking in shade; undiminished:

Having all sides or faces equal. For example, a square is a regular polygon, and a cube is a regular polyhedron.

The definition of firm is solid, hard or rigid.

Upright in character and behavior; honorable

of the same color throughout

Continuous, without interruption.

Being at the peak of development or maturity:

Financially secure or safe:

Suitable or proper in nature; fitting:

Unyielding to pressure or force

Not easily moved or shaken

Based on good judgment, reasoning, or evidence

Managing for an owner; acting as trustee

Being in or characterized by complete agreement

Expressed in units measuring area:

the state in which a substance has no tendency to flow under moderate stress; resists forces (such as compression) that tend to deform it; and retains a definite size and shape

(Computing, said of an operating system's kernel) consisting of a single program using a single memory-addressing space

Lacking or appearing to lack substance or reality:

Smooth and flowing; graceful:

Having or showing no doubt; positive; confident

Fitting close or too close to the skin; snug:

Liable to be required to give account, as of one's actions or of the discharge of a duty or trust:

Relating to or resembling vapor:

(Figuratively, usually with "in") Having a basic or fundamental connection (to a thing); based, originating (from).

Not changing, fickle, or wavering; constant

Relatively great in extent from one surface to the opposite, usually in the smallest solid dimension; not thin:

Following one after another without interruption; successive:

The definition of consistent is something that is reliable or in agreement.

Serving to convince; persuasive or believable:

(Mathematics) Of the third power, order, or degree.

(Mathematics, topology) Being a subset of a topological space that approximates the space well. See dense sets for mathematical definition.

1  compact, concrete, dense, firm, hard, massed, stable, strong, sturdy, substantial, unshakable  

2  genuine, good, pure, real, reliable, sound  

3  agreed, complete, continuous, unalloyed, unanimous, unbroken, undivided, uninterrupted, united, unmixed  

4  constant, decent, dependable, estimable, law-abiding, level-headed, reliable, sensible, serious, sober, trusty, upright, upstanding, worthy  
  
Antonyms    
  

1  broken, crumbling, decaying, flimsy, gaseous, hollow, liquid, permeable, precarious, shaky, unstable, unsteady, unsubstantial  

2  impure, unreliable, unsound  

3  at odds, divided, mixed, split, undecided  

4  flighty, irresponsible, unreliable, unsound, unstable, unsteady  

1    adj  A solid substance or object stays the same shape whether it is in a container or not.  
usu ADJ n    (Antonym: liquid)   ...the potential of greatly reducing our solid waste problem..., He did not eat solid food for several weeks.    

2    n-count  A solid is a substance that stays the same shape whether it is in a container or not.,  (Antonym: liquid)   Solids turn to liquids at certain temperatures., ...the decomposition of solids.    

3    adj  A substance that is solid is very hard or firm.  
The snow had melted, but the lake was still frozen solid..., The concrete will stay as solid as a rock.    

4    adj  A solid object or mass does not have a space inside it, or holes or gaps in it.  
usu ADJ n  
...a tunnel carved through 50ft of solid rock., ...a solid mass of colour..., The car park was absolutely packed solid with people.    

5    adj  If an object is made of solid gold or solid wood, for example, it is made of gold or wood all the way through, rather than just on the outside.  
ADJ n  
...solid wood doors., ...solid pine furniture.    

6    adj  A structure that is solid is strong and is not likely to collapse or fall over.  
Banks are built to look solid to reassure their customers..., The car feels very solid.    
♦   solidly    adv  ADV with v  
Their house, which was solidly built, resisted the main shock.    
♦   solidity    n-uncount  
...the solidity of walls and floors.    

7    adj  If you describe someone as solid, you mean that they are very reliable and respectable.,  (approval)   Mr Zuma had a solid reputation as a grass roots organiser.    
♦   solidly    adv  
Graham is so solidly consistent.    
♦   solidity    n-uncount  
He had the proverbial solidity of the English.    

8    adj  Solid evidence or information is reliable because it is based on facts.  
We don't have good solid information on where the people are..., He has a solid alibi.    

9    adj  You use solid to describe something such as advice or a piece of work which is useful and reliable.  
The CIU provides churches with solid advice on a wide range of subjects..., All I am looking for is a good solid performance...    
♦   solidly    adv  ADV with v  
She's played solidly throughout the spring.    

10    adj  You use solid to describe something such as the basis for a policy or support for an organization when it is strong, because it has been developed carefully and slowly.   (=strong)  
...Washington's attempt to build a solid international coalition.    
♦   solidly    adv  ADV adj/prep, ADV with v  
The Los Alamos district is solidly Republican..., So far, majority public opinion is solidly behind the government.    
♦   solidity    n-uncount  
...doubts over the solidity of European backing for the American approach.    

11    adj  If you do something for a solid period of time, you do it without any pause or interruption throughout that time.  
ADJ n, -ed ADJ  
We had worked together for two solid years.    
♦   solidly    adv  ADV with v  
People who had worked solidly since Christmas enjoyed the chance of a Friday off.    

1    adj  Something that is rock-solid is extremely hard.  
Freeze it only until firm but not rock solid.    

2    adj  If you describe someone or something as rock-solid, you approve of them because they are extremely reliable or unlikely to change.,  (approval)   Mayhew is a man of rock-solid integrity...    

SYNONYMS

hard, rock-hard, rigid, firm, solidified, set, frozen, jellied, congealed, concrete

SYNONYMS

pure, 24-carat, unalloyed, unmixed, unadulterated, genuine, complete

ANTONYMS

SYNONYMS

continuous, uninterrupted, unbroken, non-stop, unremitting, incessant, constant, consecutive, undivided

SYNONYMS

well built, well constructed, sound, substantial, strong, sturdy, stout, durable, stable

SYNONYMS

well founded, well grounded, valid, sound, reasonable, logical, weighty, authoritative, convincing, cogent, plausible, credible, reliable

ANTONYMS

SYNONYMS

dependable, reliable, firm, unshakeable, trustworthy, stable, steadfast, unfailing, staunch, constant, unwavering

SYNONYMS

sensible, level-headed, dependable, trustworthy, down-to-earth, decent, law-abiding, upright, upstanding, worthy

SYNONYMS

financially sound, secure, creditworthy, of good financial standing, in funds, profit-making, able to pay its debts, debt-free, solvent, in credit, not in debt, out of debt, in the black

Financeungeared, unlevered

rare unindebted

SYNONYMS

unanimous, united, uniform, consistent, undivided

of one mind, of the same mind, in unison

rare consentient

having three dimensions (length, breadth, and thickness), as a geometrical body or figure.

of or relating to bodies or figures of three dimensions.

having the interior completely filled up, free from cavities, or not hollow: a solid piece of chocolate.

without openings or breaks: a solid wall.

firm, hard, or compact in substance: solid ground.

having relative firmness, coherence of particles, or persistence of form, as matter that is not liquid or gaseous: solid particles suspended in a liquid.

pertaining to such matter: Water in a solid state is ice.

dense, thick, or heavy in nature or appearance: solid masses of cloud.

not flimsy, slight, or light, as buildings, furniture, fabrics, or food; substantial.

of a substantial character; not superficial, trifling, or frivolous: a solid work of scientific scholarship.

without separation or division; continuous: a solid row of buildings.

whole or entire: one solid hour.

forming the whole; consisting entirely of one substance or material: solid gold.

uniform in tone or shades, as a color: a solid blue dress.

real or genuine: solid comfort.

sound or reliable, as reasons or arguments: solid facts.

sober-minded; fully reliable or sensible: a solid citizen.

financially sound or strong: Our company is solid.

cubic: A solid foot contains 1,728 solid inches.

written without a hyphen, as a compound word.

having the lines not separated by leads, or having few open spaces, as type or printing.

thorough, vigorous, great, big, etc. (with emphatic force, often after good): a good solid blow.

firmly united or consolidated: a solid combination.

united or unanimous in opinion, policy, etc.

on a friendly, favorable, or advantageous footing (often preceded by in): He was in solid with her parents.

Slang. excellent, especially musically.

of, concerned with, or being a substance in a physical state in which it resists changes in size and shapeCompare liquid (def. 1), gas (def. 1)

consisting of matter all through

of the same substance all throughsolid rock

sound; proved or provablesolid facts

reliable or sensible; upstandinga solid citizen

firm, strong, compact, or substantiala solid table; solid ground

(of a meal or food) substantial

(often postpositive)without interruption or respite; continuoussolid bombardment

financially sound or solventa solid institution

strongly linked or consolidateda solid relationship

geometryhaving or relating to three dimensionsa solid figure; solid geometry

(of a word composed of two or more other words or elements) written or printed as a single word without a hyphen

printingwith no space or leads between lines of type

solid forunanimously in favour of

(of a writer, work, performance, etc) adequate; sensible

of or having a single uniform colour or tone

NZinformalexcessive; unreasonably strict

a solid substance, such as wood, iron, or diamond

(plural)solid food, as opposed to liquid