COLLOQUIAL
Source: 566, 567
colloquial. Colloquial, a. relating to conversation, familiar
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Col‐lo″qui‐al (?), a. [[See Colloqui.]] Pertaining to, or used in, conversation, esp. common and familiar conversation; conversational; hence, unstudied; informal; as, colloquial intercourse; colloquial phrases; a colloquial style. — Col‐lo″qui‐al‐ly, adv. His colloquial talents were, indeed, of the highest order. Macaulay.