Definition of haste :
1. Celerity of motion; speed; swiftness; dispatch; expedition; - applied only to voluntary beings, as men and other animals.
2. The state of being urged or pressed by business; hurry; urgency; sudden excitement of feeling or passion; precipitance; vehemence.
3. To hasten; to hurry.
expeditiousness, bucket, go like lightning, fleet, impetuosity, nip, highball, scuttle, vehemence, hurry, recklessness, fast, get a move on, tear, make time, rush, get cracking, incautiousness, kick, run, plunge, carelessness, hasten, foolhardiness, heedlessness, race, trot, fly, precipitance, festinate, shoot, zoom, precipitateness, scurry, move, unrestraint, rip, hurly-burly, go like the wind, hustle, dash, hotfoot, giddiness, rushing, careful, upsurge, speed, make haste, wing, downfall, promptness, bang, barrel, caution, hastiness, scoot, run like the wind, rapidness, pelt, anticipation, testiness, whirl, expedition, make tracks, surge, shake a leg, dispatch, precipitancy, rashness, prudence, scamper, thrill, boot, whiz, flit, whisk, flush, hotfoot it, press, dart, celerity, irrationality, spate, rocket, sprint, scour, importance, sail, charge, bolt, scramble, excitation, outburst, hustling, zip, precipitation
haste (part of speech: noun)
suddenness (part of speech: noun)
hastening (part of speech: verb)
in a hurry, hurrying, moving fast