Thesaurus.com
Dictionary.com

frazzling

VERB
wear out
Synonyms
STRONGEST
fray
STRONG
exhaust poop prostrate rip shred tear tire tucker wear
WEAK
knock out
Antonyms
STRONG
invigorate mend please refresh sew
WEAK
maintain preserve

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