The Oxford Thesaurus An A-Z Dictionary of Synonyms - firmadj.

1) compact, solid, dense, compressed, condensed, concentrated, rigid, stiff, hard, unyielding, inflexible, inelastic: I prefer a firm mattress. 2) stable, fixed, fast, secure, steady, solid, stationary, anchored, moored, unmovable, immovable: This pole is firmer than that one. 3) steady, strong, sturdy, tight, unwavering, unshakable or unshakeable, unswerving: What we need is a firm hand at the controls. 4) resolute, determined, dogged, definite, resolved, positive, decisive, decided, set on or upon, steadfast, constant, unflinching, staunch, unshaken, unshakeable or unshakable, immovable, inflexible, rigid, unwavering, undeviating, unchanging, unchangeable, obstinate, obdurate, stubborn, strict, unyielding, unbending, unalterable: Father was firm about my not staying out past midnight. --v. 5) Often firm up. consolidate, establish, settle (down) , solidify, resolve, determine, set up: We firmed up the terms of the contract. Sugar prices firmed today. --n. 6) company, organization, corporation, limited company, public limited company, plc, partnership, proprietorship, business, enterprise, concern, house, conglomerate, multinational (company) , cartel, Colloq outfit; US jargon CIA, Central Intelligence Agency: He works for a firm in the City.