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WordReference Random House Learner's Dictionary of American English © 2024in•firm /ɪnˈfɜrm/USA pronunciation adj. - feeble or weak because of age:The old man was too infirm to walk.
n. the infirm, [plural* used with a plural verb] - infirm people:care of the infirm.
WordReference Random House Unabridged Dictionary of American English © 2024in•firm (in fûrm′),USA pronunciation adj. - feeble or weak in body or health, esp. because of age;
ailing. - unsteadfast, faltering, or irresolute, as persons or the mind;
vacillating:infirm of purpose. - not firm, solid, or strong:an infirm support.
- unsound or invalid, as an argument or a property title.
v.t. - to invalidate.
- Latin infirmus. See in-3, firm1
- Middle English infirme 1325–75
- 1, 3.See corresponding entry in Unabridged
- 4.See corresponding entry in Unabridged weak.
- 2.See corresponding entry in Unabridged wavering, indecisive.
- 3.See corresponding entry in Unabridged rickety, tottering, shaky, unsteady.
- 1, 2.See corresponding entry in Unabridged
- 3.See corresponding entry in Unabridged strong.
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