solidadjective
uk/ˈsɒl.ɪd/us/ˈsɑː.lɪd/solid adjective (HARD)
B2 hard or firm, keeping a clear shape:
B2 completely hard or firm all through an object, or without any spaces or holes:
C1 A solid metal or colour is pure and does not have anything else mixed together with it:
More examples
- solid wooden doors
- The ground was frozen solid.
- There's a solid oak floor.
- The construction should be sturdy and solid.
- The railway was built on a bed of solid rock.
Thesaurus: synonyms and related words
Hard and firm
- (as) stiff/straight as a ramrod idiom
- adamantine
- cast iron
- crisp
- crispy
- crunchy
- fossilized
- hard
- harden
- horny
- ossification
- ossify
- petrified
- ramrod
- stiff
- stiffly
- stiffness
- temper
- tense
- unyielding
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solid adjective (NOT LIQUID/GAS)
C1 not liquid or gas:
Solid food is not in liquid form, especially when given to babies or people who are ill:
More examples
- Wax passes from solid to liquid when you heat it.
- The first solid food she gave her baby was puréed carrot.
Thesaurus: synonyms and related words
Physics: the state of matter
- absorbency
- acid
- acidic
- filtrate
- granulated
- gritty
- heavy water
- limy
- molten
- neutral
- non-flammable
- permeability
- plasma
- powder
- powdered
- pressurized
- runny
- slurry
- sulphur
- thin
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solid adjective (CERTAIN)
C2 certain or safe; of a good standard; giving confidence or support:
More examples
- This theory needs to be backed up with solid empirical data.
- We should be basing our decisions on solid facts, not inclinations and hunches.
- It seems like a very solid marriage.
- Financially the club is very solid.
- Both teams delivered solid performances.
Thesaurus: synonyms and related words
Certainty
- (as) clear as day idiom
- (as) sure as eggs is eggs idiom
- and that's flat! idiom
- assured
- assuredly
- bet
- consider it done idiom
- cut and dried
- decided
- decidedly
- definite
- dispute
- doubt
- mistake
- natch
- pronounced
- proof positive
- seal
- set/put the seal on sth idiom
- shadow
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solid adjective (CONTINUOUS)
continuing for a period of time without stopping:
Thesaurus: synonyms and related words
Continuous & permanent
- abiding
- ad infinitum
- around-the-clock
- be
- bounce
- ceaseless
- fluidity
- here to stay idiom
- immanent
- imperishable
- incessant
- indelible
- inextinguishable
- nagging
- perpetuity
- persistence
- persistent
- round-the-clock
- seamless
- trot
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solidnoun
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:
Thesaurus: synonyms and related words
Geometrical shapes
- -cornered
- -dimensional
- circular
- cuboid
- cylinder
- cylindrical
- dome
- hexagon
- incongruent
- isometric
- lozenge
- octagon
- oval
- ovoid
- parallelogram
- polygon
- quadrilateral
- rhombus
- spherical
- triangle
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solid noun (NOT LIQUID/GAS)
[ C ] a substance that is not liquid or gas
[ C usually plural ] a food not in liquid form
Thesaurus: synonyms and related words
Physics: the state of matter
- absorbency
- acid
- acidic
- filtrate
- granulated
- gritty
- heavy water
- limy
- molten
- neutral
- non-flammable
- permeability
- plasma
- powder
- powdered
- pressurized
- runny
- slurry
- sulphur
- thin
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