Synonyms for Erring:

adj.

all (adjective)
error-prone.
guilty (adjective)
in error.
mistaken (adjective)
sinning, wrong, fallible, errant, faulty, in error, delinquent, Deviating, Blundering, sinful, straying, criminal, culpable.

n.

erring (noun)
errant, fallible, error-prone.
mistaken (noun)
criminal, sinful, in error, Deviating, wrong, sinning, culpable, faulty, straying, delinquent.

v.

erring (verb)
Misconceiving, Blundering, Marring, Botching, slipping, stumbling, fluffing, bungling, goofing, fouling up, misjudging, miscalculating, misestimating, Misconstruing, tripping, slipping up.

Other synonyms:

inaccurate
wrong.
sinful
sinning.
Other relevant words:
sinful, straying, error-prone, errant, fallible, in error, delinquent, Deviating, wrong, faulty, sinning, criminal, culpable.

Usage examples for erring

  1. This seemed to strike the erring Teddy, if not as reasonable, at any rate as one way of looking at it. – The Adventures of Sally by P. G. Wodehouse