- firm
- firm adj Firm, hard, solid are comparable chiefly as meaning having a texture or consistency that markedly resists deformation by external force.Firm (opposed to loose, flabby) suggests such closeness or compactness of texture or a consistency so heavy or substantial that the substance or material quickly returns to shape or is difficult to pull, distort, cut, or displace{
firm cloth
}{firm flesh
}{firm jellies
}{firm ground
}Hard (opposed to soft; see also HARD 2) implies impenetrability or relatively complete resistance to pressure or tension but, unlike firm, hard rarely implies elasticity{hard as adamant
}{hard as steel
}{diamond is one of the hardest substances known
}Solid (opposed to fluid) implies such density and coherence in the mass as enable a thing to maintain a fixed form in spite of external deforming forces{solid mineral matter
}As opposed to flimsy, the term implies a structure or construction that makes a thing sound, strong, or stable{solid furniture
}{a solid foundation
}{the bungalow was a very solid one— Kipling
}As opposed to hollow, it implies the absence of empty spaces within the structure or mass and, usually, the same or similar density and hardness of material throughout{a solid rubber tire
}{a solid wall
}In extended use firm implies stability, fixedness, or resolution{a firm purpose
}{a firm belief
}{guide with a firm hand
}{a firm and even tough diplomacy— Gaitskell
}Hard implies obduracy or lack of feeling{a hard master
}{she was firm, but she was not hard— Archibald Marshall
}{a sort of scoutmaster to a hard gang of boys— Lovett
}Solid usually implies substantiality or genuineness{a solid meal
}{solid facts
}{solid virtues
}{solid attainments
}{money, the great solvent of the solid fabric of the old society, the great generator of illusion— Trilling
}but it may imply absolute reliability or seriousness of purpose{solid banks
}{a solid character
}{his scholarship was solid and sound— McGifferty
}or unbroken continuity (as in time, group feeling, or opinion){put in a solid week on a piece of work
}{the solid vote of the members
}Analogous words: compact, Close, dense, thick: tough, tenacious, *strong: *stiff, rigid, inflexibleAntonyms: loose, flabbyContrasted words: flaccid, *limp, floppy, flimsy, sleazy
New Dictionary of Synonyms. 2014.