- having the nasal tones or impaired breathing of one with enlarged adenoids
WordReference Random House Unabridged Dictionary of American English © 2017
- Anatomyof or pertaining to the adenoids;
- Anatomyhaving the adenoids enlarged, esp. to a degree that interferes with normal breathing.
- being characteristically pinched and nasal in tone quality:a high-pitched, adenoidal voice.
adenoid + -al1]