Knuckler

noun, slang

noun, slang ·Moderate ·College level

Definitions

Noun
  1. 1
    A knuckleball. slang

    "Fowler flung a stiff-wrist knuckler that hung in the air without spin before it took a sudden dip, but Roy scooped it up with the stick and lifted it twenty rows up into the center field stands."

  2. 2
    a baseball pitch thrown with little speed or spin wordnet

Synonyms

All synonyms
knuckleballknuckleball

Example

More examples

"Fowler flung a stiff-wrist knuckler that hung in the air without spin before it took a sudden dip, but Roy scooped it up with the stick and lifted it twenty rows up into the center field stands."

Etymology

From knuckle + -er.

Related phrases

cut fastballsplit finger fastballtwo seam fastball

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