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in-firm

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in⋅firm

  [in-furm]
Use in-firm in a Sentence
–adjective
1. feeble or weak in body or health, esp. because of age; ailing.
2. unsteadfast, faltering, or irresolute, as persons or the mind; vacillating: infirm of purpose.
3. not firm, solid, or strong: an infirm support.
4. unsound or invalid, as an argument or a property title.
–verb (used with object)
5. to invalidate.
Origin:
1325–75; ME infirme < L infirmus. See in- 3 , firm 1

Related forms:
in⋅firm⋅ly, adverb
in⋅firm⋅ness, noun

Synonyms:
1, 3, 4. weak. 2. wavering, indecisive. 3. rickety, tottering, shaky, unsteady.

Antonyms:
1, 2, 3. strong.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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The FIRM® - Official Site
Real Women, Real Results. Your Complete Fitness Solution!
www.FirmDirect.com
AT&T™ Official Site
Phone, Internet, & TV or Wireless for Under $100 /month with AT&T.
att.com
Word Origin & History

infirm 
c.1374, "weak, unsound" (of things), from L. infirmus "weak, frail," from in- "not" + firmus (see firm (adj.)). Of persons, "not strong, unhealthy," first recorded 1605.
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: in·firm
Pronunciation: in-'f&rm
Function: adjective
: of poor or deteriorated vitality; especially : feeble from age
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

infirm in·firm (ĭn-fûrm')
adj.
Weak in body, especially from old age or disease; feeble.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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