must needs

dated no-past-participle no-present-participle

(dated) A pleonastic intensification of must using the adverb needs, meaning “must necessarily”.

Japanese Meaning

（古語）必然的に～でなければならない、すなわち『どうしても』という強調表現として用いられる。

I must needs finish this report before the meeting, despite feeling unwell.

体調が悪くても、この報告書を会議前にどうしても仕上げなければならない。

Sense（1）

(dated) A pleonastic intensification of must using the adverb needs, meaning “must necessarily”.

[…]I have spoke thus much

To mitigate the justice of thy plea;

Which if thou follow, this strict court of Venice

Must needs give sentence 'gainst the merchant there.

must needs

（ present singular third-person ）

must needs

（ past ）