THESAURUS
neigh
bark, bawl, bay, bell, bellow, blare, blat, blate, bleat, bray, call, caterwaul, cry, give tongue, give voice, howl, low, meow, mew, mewl, miaow, moo, nicker, pule, roar, screak, scream, screech, squall, squeak, squeal, troat, ululate, wail, whicker, whine, whinny, yap, yawl, yawp, yelp, yip, yowl
ROGET THESAURUS
neigh
Boasting
VB
boast, make a boast of, brag, vaunt, Puff, show off, flourish, crake, crack, trumpet, strut, swagger, vapor, blague, blow, four-flush, bluff, exult, crow, crow over,
neigh, chuckle, triumph, throw up one's cap, talk big, se faire valoir, faire claquer son fouet, take merit to oneself, make a merit of, sing Io triumphe, holloa before one is out of the wood.