Grammar › N2 · 10 Emphasis and attitude
〜てならない: can't help feeling
N2 · 10 Emphasis and attitude
Says a feeling keeps coming up naturally and you cannot stop it.
Te-form + ならない, mainly with verbs of feeling or thought like 気になる, 思われる, 心配だ. More literary than 〜てたまらない and rarely used for physical sensations. Only for the speaker's feelings.
Examples
将来のことが心配でならない。
I cannot help worrying about the future.
あの時のことが悔やまれてならない。
I cannot help regretting what happened then.