verb ·Uncommon ·Advanced level

Definitions

Verb

1. 1
   To overpower or overwhelm. transitive

   "Sir Jasper started from his chair, ashamed of the sick fancies that had, for the moment, overmastered him."

2. 2
   overcome by superior force wordnet

Synonyms

All synonyms

overpowerbeat downbendbreakbreak downbring low

Example

More examples

"Sir Jasper started from his chair, ashamed of the sick fancies that had, for the moment, overmastered him."

Etymology

From over- + master.

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