Try Our Apps


90s Slang You Should Know


[haf-ouuh r, -ou-er, hahf-] /ˈhæfˈaʊər, -ˈaʊ ər, ˈhɑf-/
a period of 30 minutes.
the midpoint between the hours:
The clock struck on the half-hour.
of, relating to, or consisting of a half-hour:
half-hour programs.
Origin of half-hour
late Middle English
late Middle English word dating back to 1375-1425 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source
Examples from the Web for half-hour
Contemporary Examples
Historical Examples
  • Thus it goes on, adding a single stroke every half-hour till four o'clock, when "eight bells" are struck.

    How to Travel Thomas W. Knox
  • Sophia found the first half-hour not at all difficult to surmount.

    Deerbrook Harriet Martineau
  • Although I look at it at least every half-hour, the barometer will not go up.

  • He rose and paced the floor of his library for a half-hour with measured tread.

    The Root of Evil Thomas Dixon
  • Why, 'tis less than a half-hour ago they turned me out o' that very place.

    Merry-Garden and Other Stories Sir Arthur Thomas Quiller-Couch
British Dictionary definitions for half-hour


  1. a period of 30 minutes
  2. (as modifier): a half-hour stint on the treadmill
  1. the point of time 30 minutes after the beginning of an hour
  2. (as modifier): a half-hour chime
Derived Forms
half-hourly, adverb, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Word Origin and History for half-hour

early 15c., from half + hour. Related: Half-hourly.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of the Day

Difficulty index for half-hour

Few English speakers likely know this word

Word Value for half

Scrabble Words With Friends

Nearby words for half-hour