open-ended

open-ended (not comparable)

1. Unrestricted by definite limits.
   • 2012, James Lambert, “Beyond Hobson-Jobson: A new lexicography for Indian English”, in World Englishes‎, page 302:

     This short list represents but a few items of an extensive and open-ended list of untreated Indian English lexis.

   There will be an open-ended discussion.

2. Adaptable to change.

   The topic is definitions, but is open-ended really.

3. Permitting a spontaneous or unstructured response.

   I'll ask you an open-ended question.

4. (poker) Of a straight draw, made up of four consecutive cards, thus able to be completed by either of two ranks of card.

   The flop of 3-6-Q gave Brunson an open-ended straight draw with his 4-5 of hearts.