ROGET'S THESAURUS OF ENGLISH WORDS AND PHRASES ...

missing piece, missing part, gap, hole, lacuna.
V. be incomplete &c adj.; fall short of &c 304; lack &c (be insufficient) 640; neglect &c
460.
Adj. incomplete; imperfect &c 651; unfinished; uncompleted &c (complete) &c 729;
defective, deficient, wanting, lacking, failing; in default, in arrear † ; short of; hollow,
meager, lame, halfand-half, perfunctory, sketchy; crude &c (unprepared) 674.
mutilated, garbled, docked, lopped, truncated.
in progress, in hand; going on, proceeding.
Adv. incompletely &c adj.; by halves.
Phr. caetera desunt [Lat.]; caret.
54. Composition -- N. composition, constitution, crasis † ; combination &c 48; inclusion,
admission, comprehension, reception; embodiment; formation.
V. be composed of, be made of, be formed of, be made up of; consist of, be resolved into.
include &c (in a class) 76; contain, hold, comprehend, take in, admit, embrace,
embody; involve, implicate; drag into.
compose, constitute, form, make; make up, fill up, build up; enter into the composition
of &c (be a component) 56.
Adj. containing, constituting &c v..
55. Exclusion -- N. exclusion, nonadmission, omission, exception, rejection, repudiation;
exile &c (seclusion) 893; noninclusion † , preclusion, prohibition.
separation, segregation, seposition † , elimination, expulsion; cofferdam.
V. be excluded from &c; exclude, bar; leave out, shut out, bar out; reject, repudiate,
blackball; lay apart, put apart, set apart, lay aside, put aside; relegate, segregate; throw
overboard; strike off, strike out; neglect &c 460; banish &c (seclude) 893; separate &c
(disjoin) 44.
pass over, omit; garble; eliminate, weed, winnow.
Adj. excluding &c v.; exclusive.
excluded &c v.; unrecounted † , not included in; inadmissible.
Adv. exclusive of, barring; except; with the exception of; save; bating.
56. Component -- N. component; component part, integral part, integrant part † ; element,
constituent, ingredient, leaven; part and parcel; contents; appurtenance; feature; member
&c (part) 51; personnel.
V. enter into, enter into the composition of; be a component &c n. be part of, form part of
&c 51; merge in, be merged in; be implicated in; share in &c (participate) 778; belong to,
appertain to; combine, inhere in, unite.
form, make, constitute, compose.
Adj. forming &c v.. inclusive.
57. Extraneousness -- N. extraneousness &c adj.; extrinsicality &c 6; exteriority &c
220; alienage † , alienism.
foreign body, foreign substance, foreign element; alien, stranger, intruder, interloper,
foreigner, novus homo [Lat.], newcomer, immigrant, emigrant; creole, Africander † ;