a) Weak or ill, not in good health.

He was infirm of body but still keen of mind, and though it looked like he couldnt walk across the room, he crushed me in debate.

2. verb
To contradict, to provide proof that something is not.

The thought is that you see an episode of observation, experiment, or reasoning as confirming or infirming a hypothesis depending on whether your probability for it increases or decreases during the episode.

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Look at other dictionaries:

  • infirm — INFÍRM, Ă, infirmi, e, adj., s.m. şi f. (Persoană) care are o infirmitate; schilod, neputincios, invalid, beteag. – Din fr. infirme, lat. infirmus. Trimis de valeriu, 13.09.2007. Sursa: DEX 98  Infirm ≠ valid, întreg, teafăr Trimis de siveco, 03 …   Dicționar Român

  • Infirm — In*firm ([i^]n*f[ e]rm ), a. [L. infirmus: cf. F. infirme. See {In } not, and {Firm}, a.] 1. Not firm or sound; weak; feeble; as, an infirm body; an infirm constitution. [1913 Webster] A poor, infirm, weak, and despised old man. Shak. [1913… …   The Collaborative International Dictionary of English

  • infirm — I (irresolute) adjective changeable, easily led, faint hearted, faltering, fickle, inconstant, indecisive insecure, pliable, precarious, undecided, undetermined, unreliable, unresolved, unstable, unsteady, untrustworthy, vacillating, wavering II… …   Law dictionary

  • infirm — [in fʉrm′] adj. [ME < L infirmus] 1. not firm or strong physically; weak; feeble, as from old age 2. not firm in mind or purpose; not resolute; vacillating 3. not stable, firm, or sound; frail; shaky, as a structure 4. not secure or valid [an… …   English World dictionary

  • Infirm — In*firm , v. t. [L. infirmare : cf. F. infirmer.] To weaken; to enfeeble. [Obs.] Sir W. Raleigh. [1913 Webster] …   The Collaborative International Dictionary of English

  • Infirm — (v. lat.), schwach, kraftlos. Infirmiren, schwächen, entkräften, ungiltig machen. Infirmativ, schwächend, ungiltig machend. Daher Infirmität, 1) Schwäche, Unvermögen, Gebrechen; 2) Infirmitäten, Beinkleider u. Vorrichtungen, wodurch Geistliche u …   Pierer's Universal-Lexikon

  • Infirm — Infirm, lat. deutsch, schwach, krank; infirmarium, Krankenhaus od. Krankenstube; i.iren, entkräften; ungiltig machen; i.ativ, ungiltig machend; I.ität, Schwäche, Krankheit …   Herders Conversations-Lexikon

  • infirm — (adj.) late 14c., weak, unsound (of things), from L. infirmus weak, frail, feeble (figuratively superstitious, pusillanimous, inconstant ), from in not, opposite of (see IN (Cf. in ) (1)) + firmus (see FIRM (Cf. firm) (adj.)). Of persons, not… …   Etymology dictionary

  • infirm — feeble, decrepit, *weak, frail, fragile Analogous words: debilitated, disabled, crippled (see WEAKEN) Antonyms: hale Contrasted words: *strong, sturdy, stalwart, stout: *healthy, robust, sound …   New Dictionary of Synonyms

  • infirm — [adj] sick, weak ailing, anemic, anile, debilitated, decrepit, delicate, enfeebled, failing, faint, faltering, feeble, flimsy, fragile, frail, halting, ill, insecure, irresolute, laid low*, lame, sensile, shaky, unsound, unstable, unsubstantial,… …   New thesaurus

  • infirm — ► ADJECTIVE ▪ physically weak. ORIGIN Latin infirmus, from in not + firmus firm …   English terms dictionary

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