Meaning

3 senses
  1. A player with a favorable batting average who is especially good at hitting the ball deep into the outfield or farther.

  2. (broadly)In any sport, a strong, physical player who is particularly effective.

  3. (idiomatic)Someone or something of considerable importance; a person who is a major decision maker or capable achiever; an especially significant organization or an especially functional object.

More definitions
  • an influential person who works hard to promote the causes they are interested in

Forms

plural: heavy hitters

Synonyms

2 synonyms
person of importance:big shotheavyweight

See also

neighbours in the dictionary
heavy hitter — meaning, examples, forms, synonyms | Krumeto