[ sol-id ]
/ ˈsɒl ɪd /

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.

Nearby words

  1. solicitor,
  2. solicitor general,
  3. solicitous,
  4. solicitously,
  5. solicitude,
  6. solid angle,
  7. solid fuel,
  8. solid geometry,
  9. solid injection,
  10. solid of revolution

Origin of solid

1350–1400; Middle English < Latin solidus

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

1. flat. 6. loose. 11, 24. divided.

Related forms
Can be confusedsolid stolid Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for unsolid

British Dictionary definitions for unsolid


/ (ˈsɒlɪd) /



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 unsolid
Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for unsolid


[ sŏlĭd ]


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.

Science definitions for unsolid


[ sŏlĭd ]

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.

Culture definitions for unsolid


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.