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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 structureHard and firm 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).Hard and firm 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 backgroundMetals and metalworkingChemical elementsMonochrome and multi-coloured

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.The state of matter 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.Various qualities of food

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.CertaintyConfidence and self-assurance

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.Continuous and permanent

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.Geometrical shapesSpherical, circular and annular objects

solid noun (NOT LIQUID/GAS)

[C] a substance that is not liquid or gasThe state of matter [C usually plural] a food not in liquid formFood - general words
(Definition of solid from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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