F-sharp

noun, slang

noun, slang ·Uncommon ·College level

Definitions

Noun
  1. 1
    A tone one semitone higher than an F, denoted F♯.
  2. 2
    Alternative spelling of F-sharp. alt-of, alternative
  3. 3
    A flea. slang

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