Meaning of 言い張る in Japanese

Definition of 言い張る

いいはる(iiharu) 【言い張る ·言いはる ·言張る】

(v5r, vt) to insist; to assert; to be obstinate in saying
彼らはそれが本当だと言い張った。
They asserted that it was true.

You're an arrogant dirty foreigner who claims your dictionary is correct even though you don't understand the nuances of Japanese.

彼女かのじょは条件じょうけんが不公平ふこうへいだと言い張るいいはる。

She will have it that the conditions are unfair.

彼女かのじょは自分じぶんの分析ぶんせきが正しいただしいと言い張るいいはる。

She persists in saying that her analysis is correct.

It never occurred to me that he might insist on treating me to dinner.

You're playing with fire if you insist on riding your motorcycle without a helmet on.