Vacillant

//ˈvæsɪlənt// adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    That vacillates; wavering; fluctuating; not constant archaic
Adjective
  1. 1
    uncertain in purpose or action wordnet

Etymology

From Latin vacillans, present participle of vacillare. Compare French vacillant. See vacillate.

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