banish

UK: /ˈbænɪʃ/ US: /ˈbænɪʃ/ ,(ban′ish)

WordReference Random House Learner's Dictionary of American English © 2025

ban•ish /ˈbænɪʃ/   v. [~ + object]

1. to send (someone) away, esp. to exile;
   expel:
   Napoleon was banished to an island.
2. to send or drive out, esp. from the mind:
   to banish sad thoughts.

ban•ish•ment, n. [uncountable]

WordReference Random House Unabridged Dictionary of American English © 2025

ban•ish  (ban′ish), v.t. 

1. to expel from or relegate to a country or place by authoritative decree;
   condemn to exile:
   He was banished to Devil's Island.
2. to compel to depart;
   send, drive, or put away:
   to banish sorrow.

• Frankish *bannjan to proclaim, akin to ban¹
• Anglo-French, Old French baniss-, long stem of banir
• Middle English banisshen 1275–1325

ban′ish•er, n. 
ban′ish•ment, n. 
Synonyms

• 1. exile, expatriate, outlaw; deport.

Collins Concise English Dictionary © HarperCollins Publishers::

banish / ˈbænɪʃ/ verb (transitive)

1. to expel from a place, esp by an official decree as a punishment
2. to drive away: to banish gloom

Etymology: 14th Century: from Old French banir, of Germanic origin; compare Old High German ban

ˈbanishment noun