The Collaborative International Dictionary of English v.0.48:
beltless \belt"less\ adj. lacking a belt. beltless jackets are in this season belted Syn: unbelted. [WordNet 1.5]WordNet (r) 3.0 (2006):
beltless adj 1: lacking a belt; "unbelted jackets are in this season" [syn: unbelted, beltless] [ant: belted]