Entry
  1. Adverb taking the 'to' particle

    with a start; in a fright; alarmedly

    Onomatopoeic or mimetic word

    圭はその問いにギクリとさせられたが、頭を何でもないといいたそうに横に振る。
    Kei is startled by that question, but shakes her head as it to say that it's nothing.

Also written ぎくり

Pitch on OJAD