definition of
firm

[1] #1 firm n. [house, business firm] the members of a business organization that owns or operates one or more establishments; "he worked for a brokerage house". wn

[2] #2 firm s. [steadfast, steady, stiff, unbendable, unfaltering, unshakable, unwavering] marked by firm determination or resolution; not shakable; "firm convictions"; "a firm mouth"; "steadfast resolve"; "a man of unbendable perseverence"; "unwavering loyalty". wn

[3] #3 firm s. [solid] not soft or yielding to pressure; "a firm mattress"; "the snow was firm underfoot"; "solid ground". wn

[4] #4 firm s. [strong] strong and sure; "a firm grasp"; "gave a strong pull on the rope". wn

[5] #5 firm s. not subject to revision or change; "a firm contract"; "a firm offer". wn