gratuitously

IPA(Pronunciation)

Adverb

Japanese Meaning

無償で、無料で行われる / 理由や根拠がなく、必要性もなく行われる

He offered his assistance gratuitously, expecting nothing in return.

彼は見返りを期待せず、無償で手伝いを申し出た。

Sense（1）

Freely; in the manner of a gift, without being earned.

Sense（2）

In a manner not demanded by the circumstances, without reason, justification, cause, or proof.

Secondly, Mr. Browne concludes, apparently rather gratuitously, on page 441 as follows […]

more gratuitously

（ comparative ）

most gratuitously

（ superlative ）