adjective \in-ˈfərm\

: having a condition of weakness or illness that usually lasts for a long time and is caused especially by old age

Full Definition of INFIRM

:  of poor or deteriorated vitality; especially :  feeble from age
:  weak of mind, will, or character :  irresolute, vacillating
:  not solid or stable :  insecure
in·firm·ly adverb

Examples of INFIRM

  1. The clinic provides free care for elderly and infirm people who lack health insurance.
  2. <the elderly and infirm have to be especially careful during the winter months>

Origin of INFIRM

Middle English, from Latin infirmus, from in- + firmus firm
First Known Use: 14th century

Other Medicine Terms

analgesia, angina, diabetes, hepatitis, homeopathy, logorrhea, palliate, pandemic


adjective \in-ˈfərm\   (Medical Dictionary)

Medical Definition of INFIRM

: of poor or deteriorated vitality; especially : feeble from age


Next Word in the Dictionary: infirmarer
Previous Word in the Dictionary: infinity pool
All Words Near: infirm

Seen & Heard

What made you want to look up infirm? Please tell us where you read or heard it (including the quote, if possible).

Get Our Free Apps
Voice Search, Favorites,
Word of the Day, and More
Join Us on FB & Twitter
Get the Word of the Day and More