Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “solid”

solid

adjective uk   /ˈsɒl.ɪd/ us    /ˈsɑː.lɪd/

solid adjective (HARD)

B2 hard or firm, keeping a clear shape: solid ground a solid object a solid structure B2 completely hard or firm all through an object, or without any spaces or holes: solid rock a solid oak table solid doors/walls a solid line of traffic The lecture hall was packed solid (with students). C1 describes a metal or a colour that is pure and does not have anything else mixed together with it: solid gold/silver candlesticks a white rose on a solid blue background

solid adjective (NOT LIQUID/GAS)

C1 not liquid or gas: Liquid and solid waste is collected in the tank. Freeze the mixture for about three hours or so until solid. describes food that is not in liquid form, especially when given to babies or people who are ill: That rice pudding was the first solid food he's eaten since his operation.

solid adjective (CERTAIN)

C2 certain or safe; of a good standard; giving confidence or support: This provided solid evidence that he committed the crime. The drama course gives students a solid grounding in the basic techniques of acting.

solid adjective (CONTINUOUS)

continuing for a period of time without stopping: I slept for eleven solid hours. The hotel was booked solid all of December.

solid

noun uk   /ˈsɒl.ɪd/ us    /ˈsɑː.lɪd/

solid noun (OBJECT)

[C] specialized mathematics an object that has a height, width, and length, and is not flat: A cube and a pyramid are both solids.

solid noun (NOT LIQUID/GAS)

[C] a substance that is not liquid or gas [C usually plural] a food not in liquid form
(Definition of solid from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of solid?
Browse related topics

You are looking at an entry to do with Certainty, but you might be interested in these topics from the Chance and possibility topic area:

Add Cambridge dictionaries to your browser to your website

Definitions of “solid” in other dictionaries

Word of the Day

yo

used as an informal greeting between people who know each other or as an expression of approval

Word of the Day

Come on – you can do it! Phrasal verbs with ‘come’.

by Liz Walter​,
November 19, 2014
As part of an occasional series on the tricky subject of phrasal verbs, this blog looks at ones formed with the verb ‘come’. If you are reading this blog, I’m sure you already know come from, as it is one of the first things you learn in class: I come from Scotland/Spain.

Read More 

silver splicer noun

November 17, 2014
informal a person who marries in later life Newly retired and now newlywed – rise of the ‘silver splicers’ Reaching pension age becomes a trigger to tie the knot as baby-boomers begin to redefine retirement

Read More