dicky
dick-y
adjective
Feeling unwell or faulty; not working properly or reliably.
"My old car's engine is a bit dicky."
noun
A detachable shirt-front or collar, worn under a jacket.
"He wore a dicky with his tuxedo."
Thesaurus
Synonyms: dickey, dickie, shirtfront, dickey-seat, dickie-seat, dicky-seat, impaired