What is the meaning of Strident?

Loud; shrill, piercing, high-pitched; rough-sounding

Grating or obnoxious

Vigorous; making strides

One of a class of s-like fricatives produced by an airstream directed at the upper teeth.

strident; producing a high-pitched or piercing sound

third-person plural future active indicative of strīdō

strident

Source: wiktionary.org