oughtn't

== English == === Etymology === From ought +‎ -n't. === Pronunciation === (UK) IPA(key): /ˈɔː.tn̩t/, /ɔːnt/ (US) IPA(key): /ˈɔt.n̩t/, (cot-cought merger) /ˈɑt.n̩t/ Rhymes: -ɔːnt, -ɔːtənt, -ɔtn̩t, -ɑtn̩t === Verb === oughtn't (UK, Ireland, Commonwealth) (US, Philippines, dated, rare) ought not (negative auxiliary). ==== Usage notes ==== Oughtn't has become rare in North America, and ought not has itself become much less common than it once was there as well. ==== Coordinate terms ==== can't, couldn't, mayn't, mightn't, shan't, shouldn't, won't, wouldn't ==== See also ==== oughten Appendix:English modal verbs Appendix:English tag questions === References ===