A battleship with heavy armament.

A term used to describe someone or something that is unbeatable or formidable.

एक ऐसा व्यक्ति या वस्तु जिसे हराना मुश्किल हो।

English Usage: She was a dreadnought in the debate team, always winning every argument.

Hindi Usage: वह बहस टीम में एक dreadnought थी, हमेशा हर तर्क जीतती थी।