1.  gap(n = noun.attribute) spread - a conspicuous disparity or difference as between two figures; "gap between income and outgo"; "the spread between lending and borrowing costs"
is a kind of disparity

2.  gap(n = noun.object) opening - an open or empty space in or between things; "there was a small opening between the trees"; "the explosion made a gap in the wall"
is a kind of space
is a part of earth's surface, surface
has particulars: pocket, diastema, nodes of ranvier, ranvier's nodes, foramen, hiatus, breach, chasm, cleft, crack, crevice, fissure, scissure, hole, mouth, rift, rent, rip, snag, split, tear, window
Derived form verb gap₁

3.  gap(n = noun.artifact) crack - a narrow opening; "he opened the window a crack"
is a kind of opening
has particulars: blank, lacuna, spark gap
Derived form verb gap₁

4.  gap(n = noun.object) col - a pass between mountain peaks;
is a kind of mountain pass, notch, pass
has particulars: water gap, wind gap

5.  gap(n = noun.communication) - a difference (especially an unfortunate difference) between two opinions or two views or two situations;
is a kind of conflict, difference, difference of opinion, dispute
has particulars: generation gap

6.  gap(n = noun.act) break, disruption, interruption - an act of delaying or interrupting the continuity; "it was presented without commercial breaks"; "there was a gap in his account"
is a kind of delay, holdup
has particulars: cut-in, insert, cut-in, insert, interjection, interpellation, interpolation, interposition, abruption, breaking off, barracking, heckling

   gap(v = verb.contact) breach - make an opening or gap in;
is one way to open, open up
Derived forms noun gap₃, noun gap₂
Sample sentences: Somebody ----s something

1.  An opening in anything made by breaking or parting; as, a gap in a fence; an opening for a passage or entrance; an opening which implies a breach or defect; a vacant space or time; a hiatus; a mountain pass. [1913 Webster]
"Miseries ensued by the opening of that gap." [1913 Webster]
"It would make a great gap in your own honor." [1913 Webster]

2.  The vertical distance between two superposed surfaces, esp. in a biplane. [Webster 1913 Suppl.]

1.  To notch, as a sword or knife. [1913 Webster]

2.  To make an opening in; to breach. [1913 Webster]
"Their masses are gapp'd with our grape." [1913 Webster]

gap, n.
1 an unfilled space or interval; a blank; a break in continuity.
2 a breach in a hedge, fence, or wall.
3 a wide (usu. undesirable) divergence in views, sympathies, development, etc. (generation gap).
4 a gorge or pass.

Idiom:
fill (or close etc.) a gap make up a deficiency. gap-toothed having gaps between the teeth.

Derivative:
gapped adj. gappy adj.

Etymology:
ME f. ON, = chasm, rel. to GAPE

N  imperfection, imperfectness, deficiency, inadequacy, peccancy, immaturity, fault, defect, weak point, screw loose, flaw, gap, twist, taint, attainder, bar sinister, hole in one's coat, blemish, weakness, half blood, shortcoming, drawback, seamy side, mediocrity, no great shakes, no great catch, not much to boast of, one-horse shay, imperfect, not perfect, deficient, defective, faulty, unsound, tainted, out of order, out of tune, cracked, leaky, sprung, warped, lame, injured, peccant, frail, inadequate, crude, incomplete, found wanting, below par, short-handed, below its full strength, under its full strength, below its full complement, indifferent, middling, ordinary, mediocre, average, so-so, coucicouci, milk and water, tolerable, fair, passable, pretty well, pretty good, rather good, moderately good, good, good enough, well enough, adequate, decent, not bad, not amiss, inobjectionable, unobjectionable, admissible, bearable, only better than nothing, secondary, inferior, second-rate, second-best, one-horse, almost, to a limited extent, rather, pretty, moderately, passing, only, considering, all things considered, enough, surgit amari aliquid.

N  incompleteness, deficiency, short measure, shortcoming, insufficiency, imperfection, immaturity, half measures, defect, deficit, defalcation, omission, caret, shortage, interval, break, noncompletion, missing link, missing piece, missing part, gap, hole, lacuna, incomplete, imperfect, unfinished, uncompleted &c (complete), defective, deficient, wanting, lacking, failing, in default, in arrear, short of, hollow, meager, lame, halfand-half, perfunctory, sketchy, crude, mutilated, garbled, docked, lopped, truncated, in progress, in hand, going on, proceeding, incompletely, by halves, caetera desunt, caret.

N  discontinuity, disjunction, anacoluthon, interruption, break, fracture, flaw, fault, crack, cut, gap, solution of continuity, caesura, broken thread, parenthesis, episode, rhapsody, patchwork, intermission, alternation, dropping fire, discontinuous, unsuccessive, broken, interrupted, dicousu, disconnected, unconnected, discrete, disjunctive, fitful, spasmodic, desultory, intermitting, occasional, intermittent, alternate, recurrent, at intervals, by snatches, by jerks, by skips, by catches, by fits and starts, skippingly, per saltum, longo intervallo, like 'angel visits few and far between'.

N  interval, interspace, separation, break, gap, opening, hole, chasm, hiatus, caesura, interruption, interregnum, interstice, lacuna, cleft, mesh, crevice, chink, rime, creek, cranny, crack, chap, slit, fissure, scissure, rift, flaw, breach, rent, gash, cut, leak, dike, ha-ha, gorge, defile, ravine, canon, crevasse, abyss, abysm, gulf, inlet, frith, strait, gully, pass, furrow, abra, barranca, barranco, clove, gulch, notch, yawning gulf, hiatus maxime, hiatus valde deflendus, parenthesis, void, incompleteness, period, interim (time), with an interval, far between, breachy, rimose, rimulose, at intervals, longo intervallo.

air gap, credibility gap, cumberland gap, generation gap, narrow the gap, spark gap, trade gap, water gap, wind gap