Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. An inference or conclusion that does not follow from the premises or evidence.
- n. A statement that does not follow logically from what preceded it.
Century Dictionary and Cyclopedia
- n. In law or logic, an inference or a conclusion which does not follow from the premises.
Wiktionary
- n. Any abrupt and inexplicable transition or occurrence.
- n. Any invalid argument in which the conclusion cannot be logically deduced from the premises; a logical fallacy.
- n. A statement that does not logically follow a statement that came before it.
- n. A kind of pun that uses a change of word, subject, or meaning to make a joke of the listener’s expectation.
GNU Webster's 1913
- An inference which does not follow from the premises.
WordNet 3.0
- n. a reply that has no relevance to what preceded it
- n. (logic) a conclusion that does not follow from the premises
Etymologies
- Latin nōn sequitur, it does not follow : nōn, not + sequitur, third person sing. present tense of sequī, to follow.
Examples
“That was such a complete non sequitur that Keisha could only look stupidly at her.”
“This pertains to the spurious allegations Duane Lindenaur made against me and the non sequitur of my happening to be in a cocktail lounge frequented by certain not respectable people when a police raid occurred.”
The Big Nowhere
“I smiled vacuously at this non sequitur and held out my hand again for the key.”
A Letter of Mary
“* 'Cum Clericus sic de crimine convictus degradetur, non sequitur aliapoe-na pro uno delicto, vel pluribus ante degradationem perpetratis.”
Memoir Correspondence And Miscellanies
Lists
These user-created lists contain the word ‘non sequitur’.
-
Latin
tempus fugit, ad absurdum, ad hominem, ad infinitum, ad nauseam, deus ex machina, in absentia, in loco parentis, in vino veritas, ipso facto, mea culpa, memento mori and 8 more...
-
Logical Fallacies
I know it's been done before, but I just couldn't resist having my own list--I'll be borrowing from Amberley's list of Fallacies (and others).
petitio principii, begging the question, post hoc ergo pro..., logical fallacy, ignoratio elenchi, non sequitur, amphiboly, fallacy of accent, amphibology, hypostatization, equivocation, reification and 12 more...
-
words-for-apocalipstick
all your words are belong to me.
sybaritic, cacography, scatterbrain, extravaganza, fenestra, kaleidophone, machination, mudpuppy, saturnalia, Bacchanalia, ersatz, fictile and 57 more...
-
architecture and design words
fancy words to use when describing architecture and design
beautility, bathos, ephemeral, wabi sabi, ethos, didactic, ascetic, ephemeral, non sequitur, veracity, acumen, maven and 22 more...
-
Its a Stretch
pandiculation, persiflage, quixotic, abjure, non sequitur, ouevre, addlepated, shibboleth, bloviate, mundicidious, illaqueate, frigorific and 13 more...
-
Pop Latin
Commonly used Latin expressions
viva voce, vide supre, vide, supra, stet, status quo, sine qua non, sine die, sic, quid pro quo, pro rata, pro bono and 24 more...
-
Latin
-
idioms, phrases
List of idioms and phrases I had to look up.
cop a plea, yeoman's service, wayside, beggar belief, pipped at the post, would that it were, on the dole, tour de force, not a sausage, non sequitur

ruzuzu Fewer tentacles, no doubt. Nov 21, 2010
reesetee Cuter, though, I'd wager. Nov 21, 2010
yarb It sounds like your latest spawn is an acolyte of Cthulhu, cb! Nov 21, 2010
reesetee I gather, then, that he hasn't quite mastered "non-sequitur" just yet. Nov 21, 2010
chained_bear It sounds like this: blrbth thrbl? Nmi-nmi-nm. Nov 19, 2010
reesetee *Now wonders what Chained Cub's vocabulary might sound like* Nov 19, 2010
milosrdenstvi @chained_bear: When young, I would always pronounce it "non se-KEE-ter"... Nov 18, 2010
jwjarvis he is hyper-verbal, spewing non sequiturs Oct 6, 2010
chained_bear One of the best things to hear a little tiny kid say. You know, when you can get them to play "repeat after me." Oct 27, 2008
thevirils Latin for "it does not follow." Oct 4, 2008