Complement1. (n.) That which completes; the quantity or number required to fill a thing or make it complete.
2. (n) That which is required to supply a deficiency, or to complete a symmetrical whole.
3. (v. t.) Full quantity, number, or amount; a complete set; completeness.
4. (n.) A second quantity added to a given quantity to make it equal to a third given quantity.
5. (v. t.) Something added for ornamentation; an accessory.
6. (n.) The whole working force of a vessel.
7. (n.) The interval wanting to complete the octave; -- the fourth is the complement of the fifth, the sixth of the third.
8. (n.) A compliment.
9. (v. t.) To supply a lack; to supplement.
10. (v. t.) To compliment.
Thesaurus Entries
A to Z, A to izzard, IC analysis, accession, accessory, accompaniment, add to, addenda, addendum, additament, addition, additive, additory, additum, adjunct, adjuvant, age group, aggregate, all, all and sundry, allowance, ally, alpha and omega, alter ego, analogon, analogue, annex, annexation, answer, answer to, appanage, appendage, appendant, appositive, appurtenance, appurtenant, assemblage, associate, attachment, attribute, attributive, augment, augmentation, bakehead, band, battalion, be-all, be-all and end-all, beginning and end, bellyful, bevy, black gang, body, boilerman, brigade, brother, bumper, bunch, bungs, cabal, cabin boy, capacity, cast, charge, chips, clique, close copy, close match, coda, coequal, cognate, cohort, commissary steward, companion, company, complete, completion, concomitant, confirmation, congenator, congener, construction modifier, consummation, contingent, continuation, coordinate, corollary, corps, correlate, correlative, correspond, correspond to, correspondent, coterie, counterpart, covey, cram, crew, crowd, crush, cutting, deckhand, deckie, deep structure, detachment, detail, direct object, division, each and every, eight, eleven, enhance, enhancement, enrichment, equivalent, everything, extension, extrapolation, faction, fellow, fill, filler, fireman, first string, first team, five, fixture, fleet, form-function unit, full house, full measure, function, gang, group, grouping, groupment, gun loader, gunner, hand, hospital steward, image, immediate constituent analysis, in-group, increase, increment, indirect object, jam up, junta, kindred spirit, lading, landing signalman, length and breadth, levels, like, likeness, load, mail orderly, makeweight, mate, mob, modifier, mouthful, movement, navigator, near duplicate, nine, object, obverse, offshoot, oiler, one and all, out-group, outfit, pack, package, package deal, parallel, party, peer group, pendant, perfect, perfection, phalanx, phrase structure, picture, platoon, posse, predicate, purser, qualifier, quorum, quota, radio operator, ranks, reciprocal, reciprocate, regiment, reinforcement, reserves, respond to, round out, roustabout, rowing crew, salon, second self, second string, second team, set, set off, shallow structure, side effect, side issue, similitude, simulacrum, sister, skinful, slot, slot and filler, snip, snips, snootful, soul mate, sparks, squad, stable, steward, stewardess, stoker, strata, string, structure, subject, such, suchlike, supplement, surface structure, syntactic analysis, syntactic structure, syntactics, syntax, tagmeme, tailpiece, tally, team, the corpus, the ensemble, the entirety, the like of, the likes of, the lot, the whole, the whole range, third string, top off