- stridulous (adj.)
- 1610s, from Latin stridulus "giving a shrill sound, creaking," from stridere "to utter an inarticulate sound, grate, creak" (see strident). Stridulation is from 1831. Stridulate (v.) first recorded 1838. Related: Stridulated; stridulating; stridulously; stridulousness.
