- a conjunction placed between words, phrases, clauses, or sentences of equal rank, e.g. and, but, or. Contrasted with subordinating conjunction.
A conjunction that joins two items of the same grammatical status. The commonest coordinating conjunctions are:and but or They can be used to link words:biscuits or chocolate phrases:sports shops and large department stores or clauses:I am working part-time, but my maternity leave begins next month.