Meaning of やむをえず in Japanese

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Definition of やむをえず

やむをえず(yamuwoezu) 【やむを得ず ·止むを得ず ·已むを得ず】

(adv) unavoidably; inevitably; necessarily; reluctantly; against one's will
それはやむを得ず延期されなければならない。
It must, of necessity, be postponed.

ばんやむをえず(banyamuwoezu) 【万止むを得ず】

我々われわれはやむをえず出発しゅっぱつを延期えんきしたする。

We were compelled to put off our departure.