verb/ɡu.ʁe/
to goof up, to mess up, to screw up; to doubt something, to be wary of something
“J'ai accepté par erreur, ton invitation / J'ai dû me gourer dans l'heure / J'ai dû me planter dans la saison” — I accepted your invitation by mistake / I must have got the time wrong / I must have got the season wrong
Synonyms: planter, tromper, douter, méfier
From Arabic غَرَّ (ḡarra, “to deceive”) + -er.