The antonyms of *accommodable* are *inflexible* and *unyielding*. Use *inflexible* to describe someone who is rigid in their opinions or behavior, and *unyielding* to describe someone who is stubborn or uncompromising. These words can be used in negotiations, workplace scenarios, and everyday life to describe situations where someone is not willing to change or adapt.

사장은 마감일에 대해 *융통성이 없었고* 팀에 더 많은 시간이 필요함에도 불구하고 연장을 거부했습니다.

上司は締め切りについて*柔軟性がなく*、チームがより多くの時間を必要としていたにもかかわらず、それを延長することを拒否しました。

The boss was *inflexible* about the deadline and refused to extend it, even though the team needed more time.

협상가는 그의 요구에 *단호하게* 있었고 어떤 조건에도 꿈쩍도 하지 않았습니다.

交渉担当者は彼の要求に*屈服せず*、どの条件にも動揺することを拒否した。

The negotiator was *unyielding* in his demands and refused to budge on any of the terms.