Definition of heavyweight
1 : one that is above average in weight
2 : one in the usually heaviest class of contestants: such asa : a boxer in an unlimited weight division — compare light heavyweightb : a weight lifter weighing more than 198 pounds
3 : one that possesses great power, prominence, or stature
Explore Merriam-Webster
Examples of heavyweight in a Sentence
Their company is one of the industry's heavyweights.
a heavyweight in the U.S. Senate, he has a lot of clout in judicial confirmations
First Known Use of heavyweight
1857
HEAVYWEIGHT Defined for English Language Learners
heavyweight
playDefinition of heavyweight for English Language Learners
-
: a fighter in the heaviest class of boxers : a boxer who weighs more than 175 pounds (79.5 kilograms)
-
: someone or something that is very important and powerful
-
: something that is heavy
Learn More about heavyweight
-
See words that rhyme with heavyweight Thesaurus: All synonyms and antonyms for heavyweight Spanish Central: Translation of heavyweight Nglish: Translation of heavyweight for Spanish speakers Britannica.com: Encyclopedia article about heavyweight
Seen and Heard
What made you want to look up heavyweight? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!