Last Updated：2025/11/20

Unsteady, random; prone to unexpected changes; not consistent. / Deviating from normal opinions or actions; eccentric; odd.

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erratic

Source Word

erratic

IPA(Pronunciation)

Adjective

Unsteady, random; prone to unexpected changes; not consistent. / Deviating from normal opinions or actions; eccentric; odd.

Japanese Meaning

不安定で一定しない / ランダムで予測不可能な / 一貫性がなく変動する / 常軌を逸した、風変わりな / 突発的で予測し難い

The hiker's steps grew erratic after hours without food or water.

食べ物も水も何時間も取らずに歩いたため、ハイカーの足取りは不安定で不規則になった。

Sense（1）

Unsteady, random; prone to unexpected changes; not consistent.

Henry has been getting erratic scores on his tests: 40% last week, but 98% this week.

Sense（2）

Deviating from normal opinions or actions; eccentric; odd.

erratic conduct

more erratic

（ comparative ）

most erratic

（ superlative ）