Middle English (in sense 2): sense 1 from Latin errant-erring, from the verb errare; sense 2 from Old French erranttravelling, present participle of errer, from late Latin iterarego on a journey, from iterjourney. Compare with arrant
英英释义网络释义
noun
1.straying from the right course or from accepted standards;
errant youngsters
2.uncontrolled motion that is irregular or unpredictable;