7. roar to affect (oneself) as indicated by roaring: to roar oneself hoarse.
8. (n.)roar a loud, deep, extended sound: the roar of a lion.
9. roar a loud outburst: a roar of laughter.
Etymology: (bef. 900; ME roren (v.), OE rārian, c. OHG rēren to bellow)
Definition of 'Roar'
Princeton's WordNet
1. (noun)boom, roar, roaring, thunder a deep prolonged loud noise
2. (noun)bellow, bellowing, holla, holler, hollering, hollo, holloa, roar, roaring, yowl a very loud utterance (like the sound of an animal) "his bellow filled the hallway"
4. (verb)roar, howl make a loud noise, as of wind, water, or vehicles "The wind was howling in the trees"; "The water roared down the chute"
5. (verb)thunder, roar utter words loudly and forcefully "`Get out of here,' he roared"
6. (verb)howl, ululate, wail, roar, yawl, yaup emit long loud cries "wail in self-pity"; "howl with sorrow"
7. (verb)roar act or proceed in a riotous, turbulent, or disorderly way "desperadoes from the hills regularly roared in to take over the town"-R.A.Billington
8. (verb)bellow, roar make a loud noise, as of animal "The bull bellowed"
9. (verb)roar, howl laugh unrestrainedly and heartily