late 14c., "wandering, moving," from Old French erratique "wandering, vagrant" (13c.) and directly from Latin erraticus "wandering, straying, roving," from erratum "an error, mistake, fault," past participle of errare "to wander, err" (see err). Sense of "irregular, eccentric" is attested by 1841. The noun is from 1620s, of persons; 1849, of boulders. Related: Erratically.
例文
1. Douglas was a 29-year-old journeyman fighter, erratic in his previous fights.
ダグラスは29歳で、腕のいいボクサーで、以前の試合ではあまり安定していなかった。
2.Argentina 's erratic infration rate threatens to upset the plans.
アルゼンチンの不安定なインフレ率は、それらの計画を破壊する可能性があります。
3.Businessmen are displeased with erratic economic policy-making.