- 1[transitive] firm something to make something become stronger or harder Firm the soil around the plant. This product claims to firm your body in six weeks.
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- 2[intransitive] firm (to/at…) (finance) (of shares, prices, etc.) to become steady or rise steadily The company's share price has firmed in recent days. Phrasal Verbsfirm up
firm
verbNAmE//fərm//
Verb Forms present simple I / you / we / they firm he / she / it firms
past simple firmed
-ing form firming
Check pronunciation: firm