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Definitions

err

[ur, er] / ɜr, ɛr /
VERB
make a mistake; do wrong
Synonyms
STRONGEST
misbehave miscalculate stray stumble
STRONG
blow blunder bollix deviate fall flub goof lapse misapprehend misjudge muff offend sin snafu transgress trespass wander
WEAK
be in error be inaccurate be incorrect be mistaken drop the ball foul up go astray go wrong louse up make a mess of mess up screw up slip up snarl up
Antonyms
STRONG
behave obey stay
WEAK
correct

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.