Quarantine (Verb):
Meaning: To keep a person or animal away from others to prevent a disease fom spreading
Bengali Meaning: সঙ্গরোধ
Synonym: Confine, Insulate, Isolate, Seclude, Segregate etc.
Antonym: Assimilate, Associate, Connect, Join, Link, Unite
Source: Merriam-Webster Dictionary & Samsad Dictionary