open-ended

adjective4

1. •
   Unrestricted by definite limits.

   • 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. •
   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.