Of, relating to, or based on a hypothesis: a hypothetical situation. See Synonyms at theoretical.
Suppositional; uncertain. See Synonyms at supposed.
Conditional; contingent.
n. A hypothetical circumstance, condition, scenario, or situation: OK, let's consider this possibility then—just as a hypothetical.
[From Greek hupothetikos, from hupothetos, placed under, supposed, from hupotithenai, to suppose; see hypothesis.] hy'po·thet'i·cal n., hy'po·thet'i·cal·ly adv.