adj. sol·id·er, sol·id·est 1. a. Of definite shape and volume; not liquid or gaseous: It was so cold the water in the bucket became solid. b. Mathematics Of or relating to three-dimensional geometric figures or bodies. c. Firm or compact in substance: The floor was solid and would not give way. 2. a. Not hollowed out: a solid block of wood. b. Being the same substance or color throughout: solid gold. c. Having no gaps or breaks; continuous: a solid line of people; worked for a solid week. d. Acting together; unanimous: a solid voting bloc. e. Written without a hyphen or space. For example, the word software is a solid compound. f. Printing Having no leads between the lines. 3. a. Of good quality: off to a solid start. b. Substantial; hearty: a solid meal. c. Sound; reliable: solid facts. d. Financially sound: a solid business. e. Upstanding or dependable: a solid citizen. f. Slang Excellent; first-rate. n. 1. A substance having a definite shape and volume; one that is neither liquid nor gaseous. 2. Mathematics A geometric figure having three dimensions. adv. 1. Without a break or opening; completely or continuously: The theater was booked solid for a month. 2. As a whole; unanimously: The committee voted solid for the challenger. [Middle English solide, from Old French, from Latin solidus; see sol- in the Appendix of Indo-European roots.] solid·ly adv. solid·ness n. |
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.