(now rare) Something (or someone) that completes; the consummation. / (obsolete) The act of completing something, or the fact of being complete; completion, completeness, fulfilment.

To complete, to bring to perfection, to make whole. / To provide what the partner lacks and lack what the partner provides, thus forming part of a whole.

(linguistics) A subordinating conjunction that can convert a clause into a complement clause, i.e. one that completes a grammatical construction in the predicate and that describes or is identified with the subject or object.

plural of complementizer

plural of complement

Third-person singular simple present indicative form of complement

present participle of complement

simple past tense and past participle of complement

The state or quality of being complemental.

(mathematics) The replacement of a set by its complement / (genetics) The interaction between two genetic units such that an organism can function normally if either one is defective