As nouns the difference between gaffe and impropriety
is that gaffe is coffee while impropriety is (uncountable) the condition of being improper.
gaffe
English
Alternative forms
* gaff
Noun
(
en noun)
A foolish and embarrassing error, especially one made in public.
Synonyms
* blooper, blunder, boo-boo, bozo eruption, defect, error, fault, faux pas, fluff, lapse, mistake, slip, stumble, thinko
* See also
See also
* malapropism
* Freudian slip
* Bushism
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impropriety
English
Noun
(uncountable) The condition of being improper.
(countable) An improper act.
Improper language.