the appropriate time or past the appropriate time: It's high time he got out of bed.
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for high time
the latest possible time; a time that is almost too lateit's high time you mended this shelf
Also called: high old time an enjoyable and exciting time
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
Idioms and Phrases with high time
The appropriate time for something; also, past the appropriate time. For example, It's high time we did something about Martha's dog, or It's high time you children were in bed. The precise meaning of this term depends on the tone of voice and/or the context. For a synonym, see about time.
The American Heritage® Idioms Dictionary
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