adj ·Rare ·Advanced level

Definitions

Adjective

1. 1
   Of or pertaining words or statements formed in thought and expressed inwardly but not, or not yet, uttered aloud. not-comparable
2. 2
   Of or pertaining to imperfectly articulated speech that is inaudible or barely audible; subtonic. dated, not-comparable

Etymology

From sub- + vocal.

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