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[in-sist] /ɪnˈsɪst/
verb (used without object)
to be emphatic, firm, or resolute on some matter of desire, demand, intention, etc.:
He insists on checking every shipment.
to lay emphasis in assertion:
to insist on the justice of a claim.
to dwell with earnestness or emphasis (usually followed by on or upon):
to insist on a point in a discussion.
verb (used with object)
to assert or maintain firmly:
He insists that he saw the ghosts.
to demand or persist in demanding:
I insist that you see this thing through.
Origin of insist
1580-90; < Latin insistere to stand still on, persist in, equivalent to in- in-2 + sistere to stand, make stand, reduplicated derivative from base of stāre to stand
Related forms
insister, noun
insistingly, adverb
overinsist, verb (used without object)
reinsist, verb (used without object)
superinsist, verb (used without object)
5. urge, require. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for insist on
  • Or maybe you're not, and it would be deeply selfish for your boyfriend to insist on maintaining his epidermal integrity.
  • But those of us who insist on playing with our toys in the academic sandbox need to be radicals.
  • It is interesting to note that many pro-nuclear lobbyists insist on the inoffensive nature of radioactivity.
  • It turns out that sloths as actors are a bit difficult to work with in that they insist on napping every twenty minutes or so.
  • When smaller forums insist on civil substantive dialogue, they often get it.
  • It's clear that you insist on dominating the comments with your virtual shout-down.
  • If you consented not to be, or did not insist on being.
  • We insist on the policy that shall restrict it to its present limits.
  • He will insist on knowing what the geologist can tell him regarding the growth of these outlines.
  • Rent equipment only from reputable operators and insist on training when appropriate.
British Dictionary definitions for insist on


to make a determined demand (for): he insisted that his rights be respected, he insisted on his rights
to express a convinced belief (in) or assertion (of): he insisted that she was mad, he insisted on her madness
Derived Forms
insister, noun
insistingly, adverb
Word Origin
C16: from Latin insistere to stand upon, urge, from in-² + sistere to stand
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
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Word Origin and History for insist on



1580s, from Latin insistere "persist, dwell upon, stand upon," from in- "upon" (see in- (2)) + sistere "take a stand" (see assist). Perhaps in some cases a back-formation from insistence. Related: Insisted; insisting.

Online Etymology Dictionary, © 2010 Douglas Harper
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