Answer: tieless

AnswerCrossword Clue
TIELESSCasually suited?
TIELESSLacking a ring around the collar?
TIELESSCasually dressed, in a way
TIELESSDressed informally, perhaps
TIELESSSans cravat.
TIELESSWithout neckwear
tielesswithout a necktie