unplanned 

  1. 形容詞
無計劃的, 未計劃的
未經籌劃的, 未經策劃的
意料之外的
(事)意外的

    同義字詞
accidental,casual,chance,fluky,flukey,fortuitous,inadvertent,incidental,unintended,unintentional,unpremeditated,unwitting
ad hoc,ad-lib,extemporaneous,extemporary,extempore,impromptu,improvisational,improvised,off-the-cuff,offhand,offhanded,snap,spur-of-the-moment,unconsidered,unpremeditated,unprepared,unrehearsed,unstudied

例句

  1. Even if it just random unplanned stuff.
  2. At this time unplanned development started.
  3. Although unplanned , it has achieved results.
  4. It was an unplanned and a most unwelcome stop.
  5. It is partially planned and partially unplanned .