open-ended
adjective
uk/ˌəʊpənˈendɪd/ us ( US also open-end)
without an end date or planned way of ending:
Several of the transit worker unions have stated that their strike would be open-ended.
They employ their temporary workers on open-ended contracts.
an open-ended approach/commitment/response Private business cannot be expected to enter into an open-ended commitment to fund any cost overruns.
open-ended discussions
FINANCE
→ open-end
used to describe a question that cannot be answered with 'yes' or 'no':
an open-ended item/question/survey The survey included an open-ended question asking employees what advice they would give to management.