Search Result for "unscheduled": 
Wordnet 3.0

ADJECTIVE (1)

1. not scheduled or not on a regular schedule;
- Example: "an unscheduled meeting"
- Example: "the plane made an unscheduled stop at Gander for refueling"


WordNet (r) 3.0 (2006):

unscheduled adj 1: not scheduled or not on a regular schedule; "an unscheduled meeting"; "the plane made an unscheduled stop at Gander for refueling" [ant: scheduled]