Definition of dash :
1. A mark or line [-], in writing or printing, denoting a sudden break, stop, or transition in a sentence, or an abrupt change in its construction, a long or significant pause, or an unexpected or epigrammatic turn of sentiment.
2. A rapid movement, esp. one of short duration; a quick stroke or blow; a sudden onset or rush; as, a bold dash at the enemy; a dash of rain.
3. A short, spirited effort or trial of speed upon a race course; - used in horse racing, when a single trial constitutes the race.
4. A slight admixture, infusion, or adulteration; a partial overspreading; as, wine with a dash of water; red with a dash of purple.
5. A sudden check; abashment; frustration; ruin; as, his hopes received a dash.
6. A vain show; a blustering parade; a flourish; as, to make or cut a great dash.
7. Energy in style or action; animation; spirit.
8. The line drawn through a figure in the thorough bass, as a direction to raise the interval a semitone.
9. The sign of staccato, a small mark  denoting that the note over which it is placed is to be performed in a short, distinct manner.
10. To break, as by throwing or by collision; to shatter; to crust; to frustrate; to ruin.
11. To erase by a stroke; to strike out; knock out; - with out; as, to dash out a word.
12. To form or sketch rapidly or carelessly; to execute rapidly, or with careless haste; - with off; as, to dash off a review or sermon.
13. To put to shame; to confound; to confuse; to abash; to depress.
14. To rust with violence; to move impetuously; to strike violently; as, the waves dash upon rocks.
15. To throw in or on in a rapid, careless manner; to mix, reduce, or adulterate, by throwing in something of an inferior quality; to overspread partially; to bespatter; to touch here and there; as, to dash wine with water; to dash paint upon a picture.
16. To throw with violence or haste; to cause to strike violently or hastily; - often used with against.
17. Violent striking together of two bodies; collision; crash.
pullulate, style, suggestion, crash, flash, quad, toss, become flat, break, daunt, smash up, barge in, ardor, fashion, break up, zest, whirl, genius, bucket, tinge, buck, scud, suspicion, blight, flit, film, swank, frivol away, slop, scattering, mode, doss, bustle, rack, shoot down, zeal, part, cast, rip, fling, bankrupt, fleet, snap, photograph, scare off, barrel, twinkle, go down, fly, bourgeon, crush, show off, hit, demolish, vogue, taste, thunderbolt, launch, elan, frighten away, flaunt, winkle, spray, sortie, pip, burgeon forth, fritter away, flair, hyphen, sprinkling, scare, fritter, cloy, fire, blink, fool away, jade, doss down, pall, bespatter, throw, hurtle, punctuation, flutter, swash, splash, spurt, splatter, smash, dissipate, stylus, dull, highball, strike, little, squirt, ruin, germinate, move, hint, gate-crash, pitch, fool, rocket, whiz, sail, pelt, scour, festinate, wing, trend, ostentate, ram, hasten, flare, help, ardour, bolt of lightning, tire, weary, boom, charge, bang up, excess, expressive style, break apart, frighten, zip, sling, manner, fatigue, quantity, spud, panache, scare away, too much, nip, deadbolt, sprout, blast, spatter, dah, hotfoot, seasoning, zoom, way, affright, shy, take, whisk, frighten off, die, shoot, pinch, haste, hurl, fright, nail, slosh, heave, sprinkle, hustle, bolt, inject, mark, wink
ostentation (part of speech: noun)
fuss, pomp and circumstance, flamboyance, flagrancy, parade, blatancy, histrionics, flashiness, grandiosity, ornateness, splashiness, pomposity, showiness, formality, grandiloquence, garishness, showmanship, flourish, splendor, shamelessness, pomp, vanity, exhibitionism, dramatics, bravura, rakishness, pageantry, bravado, swaggar, gaudiness, affectedness, sensationalism, jauntiness, ostentation, opulence, snazziness, boastfulness
disappoint (part of speech: verb)
particle (part of speech: noun)
run (part of speech: verb)
speed (part of speech: verb)
- All right, I'll do my best- but don't you try no dash! - "Hopalong Cassidy", Clarence E. Mulford.
- Another dash and they were in their sitting room, the door locked behind them. - "Molly Brown's Junior Days", Nell Speed.
- Half a minute after she saw John dash from the doorway and run, run at an incredible pace, towards his car. - "The Romantic", May Sinclair.