Open English Wordnet
Verbs
Adjectives
(s)shrill, sharphaving or emitting a high-pitched and sharp tone or tones“a shrill whistle”,
“a shrill gaiety” (s)strident, shrillbeing sharply insistent on being heard“strident demands”,
“shrill criticism” (s)shrillof colors that are bright and gaudy“a shrill turquoise”