errant

UK: /ˈɛrənt/ US: (er′ənt)

WordReference Random House Unabridged Dictionary of American English © 2025

er•rant  (er′ənt), adj. 

1. deviating from the regular or proper course;
   erring;
   straying.
2. journeying or traveling, as a medieval knight in quest of adventure;
   roving adventurously.
3. moving in an aimless or lightly changing manner:
   an errant breeze.

• Vulgar Latin *iterāre to journey, for Late Latin itinerārī, derivative of iter, stem itiner- journey (see itinerary); confused with Middle French errant, present participle of errer to err
• Middle French, Old French errant, present participle of errer, edrer to travel
• Middle English erraunt 1300–50

er′rant•ly, adv. 

Collins Concise English Dictionary © HarperCollins Publishers::

errant / ˈɛrənt/ adjective (often postpositive)

1. wandering in search of adventure
2. erring or straying from the right course or accepted standards

Etymology: 14th Century: from Old French: journeying, from Vulgar Latin iterāre (unattested), from Latin iter journey; influenced by Latin errāre to err

ˈerrantly adverb