errant /ˈerənt/ adjective Learner's definition of ERRANT
1 always used before a noun
a : behaving wrongly犯错误的;行为不当的;出格的 b US : going outside the proper area偏离正路的;迷途的 c US, sports : not going in the intended direction : not accurate失误的;不准确的 2
: wandering to different places in search of adventure漫游的;漂泊的;游历的 — see also knight-errant ◊ Do not confuse errant with arrant.