adjective, sol·id·er, sol·id·est.


a body or object having three dimensions (length, breadth, and thickness).
a solid substance or body; a substance exhibiting rigidity.

Origin of solid

1350–1400; Middle English < Latin solidus
Related formssol·id·ly, adverbsol·id·ness, nounhalf-sol·id, adjectivenon·sol·id, adjective, nounnon·sol·id·ly, adverbsub·sol·id, nountrans·sol·id, adjectiveun·sol·id, adjectiveun·sol·id·ly, adverbun·sol·id·ness, noun
Can be confusedsolid stolid

Synonyms for solid

1. cubic. 5. dense. See firm1. 6. cohesive, firm. 9. sound. 11. unbroken. 18. solvent. 22. strong.

Antonyms for solid

1. flat. 6. loose. 11, 24. divided. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for solider

Contemporary Examples of solider

Historical Examples of solider

  • And so, as I say, I found a solider fact of human nature than the love of coriandoli.

    Italian Hours

    Henry James

  • It makes him feel like HE wasn't no solider than a ghost himself.

  • It was my task to create a blaze with the dry, spluttering birch-bark, and collect a stack of solider fuel to feed it with.

    The Recipe for Diamonds

    Charles John Cutcliffe Wright Hyne

  • The Smell of Turpentine is a thing to bear since all its counter-things bring only solider evil.

    I, Mary MacLane

    Mary MacLane

  • These were the merchants of solider character, whose dealings were with the cattlemen and homesteaders.

    Trail's End

    George W. Ogden

British Dictionary definitions for solider



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
geometry having 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
printing with no space or leads between lines of type
solid for unanimously in favour of
(of a writer, work, performance, etc) adequate; sensible
of or having a single uniform colour or tone
NZ informal excessive; unreasonably strict


  1. a closed surface in three-dimensional space
  2. such a surface together with the volume enclosed by it
a solid substance, such as wood, iron, or diamond
(plural) solid food, as opposed to liquid
Derived Formssolidity (səˈlɪdɪtɪ), nounsolidly, adverbsolidness, noun

Word Origin for solid

C14: from Old French solide, from Latin solidus firm; related to Latin sollus whole
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for solider



late 14c., "not empty or hollow," from Old French solide "firm, dense, compact," from Latin solidus "firm, whole, undivided, entire," figuratively "sound, trustworthy, genuine," from PIE *sol-ido-, suffixed form of root *sol- "whole" (cf. Greek holos "whole," Latin salus "health," salvus "safe;" see safe (adj.)).

Meaning "firm, hard, compact" is from 1530s. Meaning "entirely of the same stuff" is from 1710. Of qualities, "well-established, considerable" c.1600. As a mere intensifier, 1830. Slang sense of "wonderful, remarkable" first attested 1920 among jazz musicians. As an adverb, "solidly, completely," 1650s. Solid South in U.S. political history is attested from 1858. Solid state as a term in physics is recorded from 1953; meaning "employing solid transistors (as opposed to vacuum tubes)" is from 1959. Related: Solidly.



late 14c., "three-dimensional figure," from solid (adj.). Meaning "a solid substance" is from 1690s. Cf. also solidus; Latin solidus (adj.) was used as a noun meaning "an entire sum; a solid body."

Online Etymology Dictionary, © 2010 Douglas Harper

solider in Medicine




Of definite shape and volume; not liquid or gaseous.
Firm or compact in substance.
Having no internal cavity or hollow.


A solid substance, body, or tissue.
Food that is relatively firm in substance or that must be chewed before swallowing.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

solider in Science



Physics One of four main states of matter, in which the molecules vibrate about fixed positions and cannot migrate to other positions in the substance. Unlike a gas or liquid, a solid has a fixed shape, and unlike a gas, a solid has a fixed volume. In most solids (with exceptions such as glass), the molecules are arranged in crystal lattices of various sizes.
Mathematics A geometric figure that has three dimensions.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

solider in Culture


A phase of matter characterized by the tight locking of atoms into rigid structures that resist deforming by outside forces.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.