a baseball player who makes many extra-base hits.
a very important or influential person: the secretary of state and other heavy hitters.
Origin of heavy hitter
First recorded in 1975–80Related formsheav·y-hit·ter, adjective
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for heavy hitter
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Idioms and Phrases with heavy hitter
An important or influential individual or organization. For example, This publishing house is one of the heavy hitters in the textbook industry. This expression originated in sports such as boxing, where it literally meant “hitting hard,” and was transferred to other enterprises in the mid-1900s.
The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.