Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

Medical Dictionary

ail

play
verb \ˈā(ə)l\

Medical Definition of ail

  1. :  to affect with a disease or physical or emotional pain or discomfort <what ails the patient>

  2. intransitive verb

  3. :  to become affected with pain or discomfort :  to suffer ill health <was ailing from a cold>





Seen and Heard

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

WORD OF THE DAY

a smart aleck

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image567572573

Which of these is a synonym of unctuous?

prompt maudlin angry oily
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ