Supplement

• POS: Noun, Verb (usu participle), Verb (transitive)
• HYPHEN: sup=ple=ment

CIDE DICTIONARY

Supplement, n. [F. supplément, L. supplementum, fr. supplere to fill up. See Supply, v. t.].

•  That which supplies a deficiency, or meets a want; a store; a supply.  Chapman.  [1913 Webster]
•  That which fills up, completes, or makes an addition to, something already organized, arranged, or set apart; specifically, a part added to, or issued as a continuation of, a book or paper, to make good its deficiencies or correct its errors.  [1913 Webster]
•  The number of degrees which, if added to a specified arc, make it 180°; the quantity by which an arc or an angle falls short of 180 degrees, or an arc falls short of a semicircle.  [1913 Webster]

Syn. -- Appendix.

Supplement, v. t. 

 To fill up or supply by addition; to add something to.  [1913 Webster]
"Causes of one kind must be supplemented by bringing to bear upon them a causation of another kind."  [1913 Webster]

OXFORD DICTIONARY

Supplement, n. & v.
--n.
1 a thing or part added to remedy deficiencies (dietary supplement).
2 a part added to a book etc. to provide further information.
3 a separate section, esp. a colour magazine, added to a newspaper or periodical.
4 Geom. the amount by which an angle is less than 180° (cf. COMPLEMENT).
--v.tr. provide a supplement for.

Derivative

supplemental adj. supplementally adv. supplementation n.

Etymology

ME f. L supplementum (as SUB-, plere fill)

THESAURUS

Supplement

PS, Parthian shot, accession, accessory, accident, accidental, accompaniment, add to, addenda, addendum, additament, addition, additive, additory, additum, adjunct, adjuvant, afterthought, annex, annexation, appanage, appendage, appendant, appendix, appurtenance, appurtenant, attachment, augment, augmentation, auxiliary, back matter, chorus, coda, codicil, collateral, colophon, complement, conclusion, concomitant, consequence, contingency, contingent, continuance, continuation, corollary, double take, dying words, envoi, epilogue, extend, extension, extra, extrapolation, fixture, follow-through, follow-up, fortify, happenstance, incidental, increase, increment, inessential, insert, last words, mere chance, nonessential, not-self, offshoot, other, parting shot, pendant, peroration, postface, postfix, postlude, postscript, recruit, refrain, reinforce, reinforcement, rider, second thought, secondary, sequel, sequela, sequelae, sequelant, sequent, sequitur, side effect, side issue, strengthen, subscript, subsidiary, suffix, superaddition, supplementation, swan song, tag, tailpiece, undergirding, unessential

ROGET THESAURUS

Supplement

Addition

N addition, annexation, adjection, junction, superposition, superaddition, superjunction, superfetation, accession, reinforcement, increase, increment, supplement, accompaniment, interposition, insertion, added, additional, supplemental, supplementary, suppletory, subjunctive, adjectitious, adscititious, ascititious, additive, extra, accessory, au reste, in addition, more, plus, extra, and, also, likewise, too, furthermore, further, item, and also, and eke, else, besides, to boot, et cetera, and so on, and so forth, into the bargain, cum multis aliis, over and above, moreover, with, withal, including, inclusive, as well as, not to mention, let alone, together with, along with, coupled with, in conjunction with, conjointly, jointly, adde parvum parvo magnus acervus erit.

Adjunct

N adjunct, addition, additament, additum, affix, appelidage, annexe, annex, augment, augmentation, increment, reinforcement, supernumerary, accessory, item, garnish, sauce, accompaniment, adjective, addendum, complement, supplement, continuation, rider, offshoot, episode, side issue, corollary, piece, flap, lappet, skirt, embroidery, trappings, cortege, tail, suffix, wing, additional, alate, alated, winged, in addition.

Completeness

N completeness, completion, integration, allness, entirety, perfection, solidity, solidarity, unity, all, ne plus ultra, ideal, limit, complement, supplement, make-weight, filling, up, impletion, saturation, saturity, high water, high tide, flood tide, spring tide, fill, load, bumper, bellyful, brimmer, sufficiency, complete, entire, whole, perfect, full, good, absolute, thorough, plenary, solid, undivided, with all its parts, all- sided, exhaustive, radical, sweeping, thorough-going, dead, regular, consummate, unmitigated, sheer, unqualified, unconditional, free, abundant, brimming, brimful, topful, topfull, chock full, choke full, as full as an egg is of meat, as full as a vetch, saturated, crammed, replete, fraught, laden, full-laden, full-fraught, full-charged, heavy laden, completing, supplemental, supplementary, ascititious, completely, altogether, outright, wholly, totally, in toto, quite, all out, over head and ears, effectually, for good and all, nicely, fully, through thick and thin, head and shoulders, neck and heel, neck and crop, in all respects, in every respect, at all points, out and out, to all intents and purposes, toto coelo, utterly, clean, clean as a whistle, to the full, to the utmost, to the backbone, hollow, stark, heart and soul, root and branch, down to the ground, to the top of one's bent, as far as possible, a outrance, throughout, from first to last, from beginning to end, from end to end, from one end to the other, from Dan to Beersheba, from head to foot, from top to toe, from top to bottom, de fond en comble, a fond, a capite ad calcem, ab ovo usque ad mala, fore and aft, every, whit, every inch, cap-a-pie, to the end of the chapter, up to the brim, up to the ears, up to the eyes, as a as can be, on all accounts, sous tous les rapports, with a vengeance, with a witness, falsus in uno falsus in omnibus, false in one thing, false in everything, omnem movere lapidem, una scopa nuova spazza bene.