strident (adj.)
- acid
- acidulous
- acrid
- acrimonious
- astringent
- atonal
- biting
- bitter
- blatant
- boisterous
- cacophonous
- caustic
- clamorous
- cracked
- cutting
- discordant
- disharmonious
- dissonant
- double-edged
- edged
- fierce
- flat
- grating
- gravelly
- guttural
- harsh
- hoarse
- husky
- incisive
- inharmonic
- inharmonious
- jarring
- keen
- loud
- mordacious
- mordant
- off
- off-key
- openmouthed
- penetrating
- piercing
- poignant
- rasping
- raucous
- rigorous
- rough
- scathing
- scratchy
- severe
- sharp
- shrill
- sour
- squawky
- stabbing
- stentorian
- stertorous
- stinging
- stringent
- tart
- trenchant
- tuneless
- unharmonious
- unmelodious
- unmusical
- untuneful
- vehement
- violent
- virulent
- vitriolic
