Synonyms: open-ended
Definition: allowing for future changes or revisions
Usage: open-ended agreements
Similar words: changeable, changeful
Definition: such that alteration is possible; having a marked tendency to change
Usage: changeable behavior; changeable moods; changeable prices
Synonyms: open-ended
Definition: allowing for a spontaneous response
Usage: an open-ended question
Similar words: undetermined, indeterminate
Definition: not precisely determined or established; not fixed or known in advance
Usage: of indeterminate age; a zillion is a large indeterminate number; an indeterminate point of law; the influence of environment is indeterminate; an indeterminate future
Synonyms: open-ended
Definition: without fixed limits or restrictions
Usage: an open-ended discussion
Similar words: unrestricted
Definition: not subject to or subjected to restriction