adjective (stealthier; -est) Date: 1565 slow, deliberate, and secret in action or character, 2. intended to escape observation ; furtive , designed to produce a very weak radar return , see: secret stealthily adverb stealthiness noun
STEALTHY
Meaning of STEALTHY in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012