open-season (noun) open season: legal period for an action
Sinonime: accidental,
aimless,
casual, chance,
erratic,
extemporaneous,
fortuitous,
haphazard,
inadvertent, involuntary, purposeless,
random,
unconscious, undesigned, undevised,
unexpected,
unforeseen, unintended, unplanned, unpremeditated, unthinking, unthought, unwitting
Antonime: definite, deliberate,
intended, intentional, planned