noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Tomfoolery; silly or foolish behaviour. countable, uncountable
2. 2
   The Darwinian theory of evolution. countable, dated, derogatory, uncountable

Synonyms

All synonyms

monkeyshine

Etymology

From monkey + -ism.

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