-any member of a small class of words distinguished in many languages by their function as connectors between words, phrases, clauses, or sentences, as and, because, but, however.

any other word or expression of similar function, as in any case.
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The Brainliest Answer!
Conjunction is a part of speech which connects sentences, phrases, clauses and words, for example and, nor, or, yet, because, as, so. 
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