name, verb ·2 syllables ·Rare ·Advanced level

Definitions

Verb

1. 1
   To loosen the reins of. transitive
2. 2
   To remove restraint from. broadly, figuratively, transitive

Proper Noun

1. 1
   A surname.

Etymology

From un- + rein.

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