subvocal

[suhb-voh-kuh l]

adjective

mentally formulated as words, especially without vocalization.

Origin of subvocal

First recorded in 1920–25; sub- + vocal

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for subvocal

Historical Examples of subvocal

Only the force of long training and habit kept him from shouting the words aloud instead of keeping them to a subvocal whisper.
The Penal Cluster
Ivar Jorgensen (AKA Randall Garrett)
Orne touched the subvocal stud at his neck, moved his speaking muscles without opening his mouth.
Operation Haystack
Frank Patrick Herbert
Hayden does not distinguish the subvocal and aspirate th in Omaha.
The Dakotan Languages, and Their Relations to Other Languages
Andrew Woods Williamson
I let out a subvocal squeal and was pitched forward as the ride system shuddered to a stop.
Down and Out in the Magic Kingdom
Cory Doctorow