mistime

[mis-tahym]
verb (used with object), mis·timed, mis·tim·ing.
  1. to time badly; perform, say, propose, etc., at a bad or inappropriate time.

Origin of mistime

before 1000; Middle English mistimen, Old English mistīmian. See mis-1, time
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for mistime

mistime

verb
  1. (tr) to time (an action, utterance, etc) wrongly
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

Word Origin and History for mistime
v.

late Old English mistimian "to happen amiss" (of an event); see mis- (1) + time (v.). Meaning "not to time properly" is first recorded late 14c. Related: Mistimed; mistiming.

Online Etymology Dictionary, © 2010 Douglas Harper