Unfirm

adj

adj ·Rare ·Advanced level

Definitions

Adjective

1
Not firm; not strong or stable; feeble; infirm.

Adjective

1
(of soil) unstable wordnet
2
not firmly or solidly positioned wordnet

Synonyms

crumbling decrepit disintegrating infirm poor rotten

Etymology

From un- + firm.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.