noun ·Uncommon ·Advanced level

Definitions

Noun

1. 1
   A weight that moves outward depending on centrifugal force.
2. 2
   A weight class division in combat sports, often the lightest. wordnet
3. 3
   A weight class in many combat sports; e.g. in professional boxing of a maximum of 112 pounds or 50.8 kilograms.
4. 4
   an amateur boxer who weighs no more than 112 pounds wordnet
5. 5
   Small, light or unimportant. figuratively

   "The characters of "Sex and the City 2" are flyweight bubbleheads living in a world which rarely requires three sentences in a row."

Show 1 more definition

6. 6
   weighs no more than 115 pounds wordnet

Synonyms

All synonyms

bantamweightblack beltboxerbrown beltbruisercatchweight

Example

More examples

"The flyweight champion contended with a strong challenger."

Etymology

From fly + weight.

Related phrases

flyweight patterncentrifugal forcecombat sportweight class

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.