Infirm

//ɪnˈfɜːm// adj, verb

Definitions

Adjective
  1. 1
    Weak or ill, not in good health.

    "He was infirm of body but still keen of mind, and though it looked like he couldn't walk across the room, he crushed me in debate."

  2. 2
    Irresolute; weak of mind or will.

    "Infirm of purpose! Give me the daggers: […]"

  3. 3
    Frail; unstable; insecure.

    "He who fixes upon false Principles, treads upon Infirm ground, and so sinks […]"

Adjective
  1. 1
    lacking firmness of will or character or purpose wordnet
  2. 2
    lacking bodily or muscular strength or vitality wordnet
Verb
  1. 1
    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."

Etymology

Etymology 1

* The noun is from Middle English infirme, from Latin infirmus (“weak, feeble”). * The verb is from Latin īnfirmāre.

Etymology 2

* The noun is from Middle English infirme, from Latin infirmus (“weak, feeble”). * The verb is from Latin īnfirmāre.

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