The state or condition of being colloquial; colloquialness.(noun)
A colloquial term, utterance, etc.; a colloquialism.(noun)
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Use "colloquiality" in a sentence
"He is apt to burlesque the lighter colloquiality, and it is only in the more serious and most tragical junctures that his people utter themselves with veracious simplicity and dignity."
"Yet what Arnold perceived to be the weaknesses of Clough's poetry are precisely what, over time, have come to seem its strengths: a prosey colloquiality which at times verges on awkwardness, a preference for honesty and sarcasm over suavity and tact, a direct criticism of modern life, a naming of things as themselves."
"About calling it a theory, I don’t get your idea of colloquiality."