Choose the antonym of the word 'Strident'-

Strident (adjective): 
English Meaning: Having a loud, rough and unpleasant sound.
Bangla Meaning: উচ্চনাদী; কর্কশ; তীক্ষ্ণ। 

Synonyms: Harsh (তীক্ষ্ম), Loud (উচ্চৈঃস্বর), Unpleasantly noisy (অস্বস্তিকর আওয়াজ), Blatant (ভীষণ), Horrifying (ভয়ংকর)। 
Antonyms: Soft (অনুচ্চ), Getnle (মৃদু), Soothing (স্বস্তিকর), Sweet (মিষ্টি স্বর), Low (নিচু স্বর)। 
Other Forms: 
- Stridently (Adverb).
- Stridency (Noun).
Example Sentence: 
1. Some ten minutes later my bite alarm sounded its strident note.
2. The strident tone in his voice revealed his anger. 

Source: Website lecture.