びくびく

び

く

び

く

Common wordJLPTN1Freq.FrequencyTop 20,000

びくびくする · noun or participle which takes 'suru'

Meanings

afraid; fearful; nervous; timid

Describes a state of being scared, anxious, or on edge, often with a visible trembling or jumpiness. Commonly used with する or と.

Refers to physical trembling or shivering, often from fear, cold, or nervousness. Can overlap with sense 1 but emphasizes the physical movement.

〈事こと〉にびくびくするto be nervous/fearful about something
怒おこられるのではないかとびくびくしていた。
I was nervous, worried that I might get scolded.
びくびくしながら〈動どう詞し〉to do something while feeling nervous or fearful
彼かれはびくびくしながら部屋へやに入はいった。
He entered the room nervously, on edge.
びくびくして暮くらすto live in constant fear or anxiety
借しゃっ金きんのことでびくびくして暮くらしている。
He's living in constant anxiety over his debt.

オドオドN2sense 1
おどおど describes a timid, hesitant manner especially in front of others, while びくびく centers on fear or nervous anticipation with a physical edge.
ヒヤヒヤ sense 1
ヒヤヒヤ is worrying anxiously that something bad might happen, whereas びくびく is a more general state of jumpy fear or being on edge.
ハラハラN2sense 1
はらはら describes tense suspense while watching a risky situation unfold, while びくびく is the fearful, flinching feeling of the person themselves.
恐おそる恐おそるN1sense 1
おそるおそる describes cautiously performing an action out of fear, while びくびく describes the ongoing nervous or trembling state itself.
おずおずN1
びくびく describes an ongoing nervous, trembling state, while おずおず describes a hesitant, timid manner of acting or speaking.

ドキドキN3sense 1
ドキドキ is a racing heartbeat that can come from excitement or nervousness, while びくびく specifically implies fearful flinching or dread, not positive thrill.

びくびくUsage60%
Hiragana spelling is standard and most common for this mimetic word.
ビクビクUsage40%
Katakana spelling is also used, often for emphasis or in informal writing.

Mimetic word derived from the sound or sensation of trembling. The exact origin is uncertain, but it is a common onomatopoeic formation in Japanese.