used to refer to someone who becomes extremely afraid of or nervous about even the smallest things

自分の影にもおびえる, ちょっとしたことにも怖がる
to turn pale, especially in response to fear, shock, or surprise

青ざめる, 顔色が変わる
to become pale or turn white, often as a result of shock, fear, or illness

青ざめる, 白くなる
to be in a state of nervousness or cold that causes one's teeth to click together repeatedly

歯がガタガタ鳴る, 震えて歯が鳴る
to feel anxious or afraid about a likely situation or event

恐れる, 心配する
to make a quick and involuntary movement in response to a surprise, pain, or fear

ひるむ, びくっとする
to react with extreme or irrational fear, anxiety, or agitation

パニックになる, おびえる
to speak rapidly and unintelligibly, often producing meaningless sounds

わけのわからないことを早口でしゃべる, 意味のないことを早口でしゃべる
to breathe at a very fast pace

過呼吸になる, 非常に速く呼吸する
(of the heart or body) to beat or shake hard, often from fear, excitement, or nervousness

鼓動する, 高鳴る
(of muscles, etc.) to tighten or become tense, often from fear, anxiety, or strong emotion

結び目ができる, 緊張する
to make someone feel fearful, intimidated, or too impressed to act freely

威圧する, 圧倒する
(of heart) to pound irregularly and rapidly

鼓動する, 不規則に速く打つ
to be suddenly overwhelmed by intense fear, often leading to irrational or wild actions

パニックになる, 恐慌をきたす
to feel a tingling or uncomfortable sensation from fear, anger, or excitement

ちくちくする, ひりひりする
to experience or express the feeling of fear

おののく, 恐れる
to suddenly move back in response to something surprising, frightening, or unpleasant

後ずさりする, ひるむ
to make a loud, sharp cry when one is feeling a strong emotion

叫ぶ, 悲鳴を上げる
to tremble or quiver suddenly and repeatedly, often from fear, excitement, or strong emotion

震える, 身震いする
to pull back or show hesitation due to fear, aversion, or reluctance

縮こまる, 後退する
to tremble or shake involuntarily, often as a result of fear, cold, or excitement

震える, 身震いする
to startle or frighten someone suddenly

驚かす, 怖がらせる
to cause extreme fear in someone

恐怖させる, 怯えさせる
to make someone so frightened that they cannot move or speak

石化させる, 恐怖で固まらせる
*** make somebody feel nervous or afraid
to cause a strong feeling of fear in someone

ぞっとさせる, 背筋が凍る思いをさせる
