(fûrm) adjective
1. Solidly compacted; unyielding; solid.
2. Fixedly settled; difficult to move; stable.
3. Strong, steadfast, or determined in character; vigorous; resolute; enduring.
4. Solid; not liquid or gaseous.
5. Not fluctuating widely, as prices.
—v.t. & v.i.
1. To make or become firm, solid, or compact.
2. Obs. To confirm; establish.
—adverb Solidly; resolutely; fixedly: to stand firm against the foe. [<L firmus]
—firm′ly adverb
—firm′ness noun Synonyms (adj.): close, compact, decided, determined, established, fast, fixed, hard, immovable, immutable, resolute, robust, rugged, secure, solid, stable, steadfast, steady, strong, sturdy, unchanging, unfailing, unfaltering, unshaken. See FAITHFUL, HARD, IMPLICIT, OBSTINATE.

(fûrm) noun
1. A union of two or more persons for the purpose of conducting business; a commercial, industrial, or financial partnership; a business house.
2. The style or title under which such a house carries on business; firm name. [<Ital. firma a signature <L firmare confirm <firmus firm]