To cry out with a sharp, shrill voice; scream harshly or stridently; shriek.Synonyms See scream, n.To utter (a screech).n. A sharp, shrill cry; a harsh scream.n. Any sharp, shrill noise: as, the screech of a railway-whistle.n. In ornithology, the mistlethrush, Turdus viscivorus.n. Synonyms Shriek, etc. See scream.