Antonyms of adj adenoidal

1 of 2 senses of adenoidal

Sense 2
adenoidal, pinched, nasal -- (sounding as if the nose were pinched; "a whining nasal voice")

INDIRECT (VIA high) -> low, low-pitched -- (used of sounds and voices; low in pitch or frequency)

Similarity of adj adenoidal

2 senses of adenoidal

Sense 1
adenoidal -- (of or pertaining to the adenoids)

Sense 2
adenoidal, pinched, nasal -- (sounding as if the nose were pinched; "a whining nasal voice")
       => high (vs. low), high-pitched -- (used of sounds and voices; high in pitch or frequency)