colloquial[adjective]Synonyms: informal, conversational, demotic, everyday, familiar, idiomatic, vernacular
[TahlilGaran] English Synonym Dictionary ▲
col‧lo‧qui‧al /kəˈləʊkwiəl $ -ˈloʊ-/
adjective language or words that are colloquial are used mainly in informal conversations rather than in writing or formal speech
—colloquially adverb [TahlilGaran] Dictionary of Contemporary English ▲