English translation of 'रात्रिकालीन'
1. nocturnal adjective
Nocturnal means happening at night.
...teenagers' nocturnal activities.
2. overnight adverb, adjective before noun
You can say that something happens overnight when it happens quickly and unexpectedly.
The rules are not going to change overnight.
He became an overnight success.
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Translation of रात्रिकालीन from the Collins Hindi to English Dictionary