1
a
: securely or solidly fixed in place
his teeth were firm
b
: not weak or uncertain : vigorous
a firm handshake
c
: having a solid or compact structure that resists stress or pressure
firm apples
2
a(1)
: not subject to change or revision
a firm offer
a firm date
(2)
: not subject to price weakness : steady
firm commodities
b
: not easily moved or disturbed : steadfast
a firm believer in democracy
c
: well-founded
firm evidence of criminal activity
3
: indicating firmness or resolution
a firm mouth
a firm voice
firmly
adverb
firmness
noun
: in a firm manner : steadfastly, fixedly
firmed; firming; firms
1
a
: to make secure or fast : tighten
firming her grip on the racquet
—often used with up
b
: to make solid or compact
firm the soil
2
: to put into final form : settle
firm a contract
firm up plans
3
: to give additional support to : strengthen
—usually used with up
1
: the name or title under which a company transacts business
2
: a partnership of two or more persons that is not recognized as a legal person distinct from the members composing it
3
: a business unit or enterprise
Cite this Entry
“Firm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/firm. Accessed 20 Mar. 2025.
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