Third-person singular simple present indicative form of firm

plural of firm / (obsolete, architecture) The principal rafters of a roof, especially a pair of rafters taken together.

simple past tense and past participle of firm

security; steadfastness; good grip / strictness; mental strength / physical durability; rigidness (of material)

(transitive) To make firm or strong; fix securely. / (transitive) To make compact or resistant to pressure; solidify. / (intransitive) To become firm; stabilise.

(now rare) firmly, steadily

(UK, business) A business partnership; the name under which it trades. / (business, economics) A business enterprise, however organized.

Steadfast, secure, solid (in position) / Fixed (in opinion). / Insistent upon something, not accepting dissent. / Durable, rigid (material state)

present participle of firm

Of beauty products, intended to make the skin firmer.