WordNet (r) 3.0 (2006):
untied adj 1: not tied [syn: untied, unfastened] [ant: fastened, tied] 2: with laces not tied; "teenagers slopping around in unlaced sneakers" [syn: unlaced, untied] [ant: laced, tied] 3: not bound by shackles and chains [syn: unchained, unfettered, unshackled, untied]