Roar | Mean of roar in English Dictionary

/ˈroɚ/

• Verb
• to make the loud sound of a wild animal (such as a lion)
1. We heard a lion roar in the distance.
• to make a long, loud sound
1. The guns/siren roared.
2. The fans were roaring [=yelling and cheering loudly] after their team scored.
3. The campfire was roaring. [=the campfire was burning brightly and loudly]
4. The engine suddenly roared (back) to life. [=it made the loud sound of an engine and began running well]
5. His career suddenly roared back to life.
• to laugh loudly
1. The joke got the crowd roaring.
2. The audience roared with laughter. [=the audience laughed loudly for a long time]

• to shout (something) very loudly
1. “Watch out,” he roared.
2. The crowd roared its approval.
3. The general roared out his orders.
4. She roared at him for being late.
• to move noisily and quickly
1. The truck roared away/off.
2. The car roared down the street.
3. The wind roared through the open barn.
4. The team came roaring back in the second half to win the game.
• Noun
• the loud sound of a wild animal (such as a lion)
• a loud, low sound that continues for a long time
1. the roar of the airplane engines
2. the roar of the river/crowd
3. roars of laughter/approval