"founded on or characterized by a hypothesis, conjectural," 1580s, from Latinized form of Greek hypothetikos "pertaining to a hypothesis," from hypothesis (see hypothesis). Hypothetic (1670s) is less common. Related: Hypothetically.
consider the following, just as a hypothetical
hypothetical situation
hypothermia
hypotheses
hypothesis
hypothesise
hypothesize
hypothetical
hypotonia
hypotonic
hypoxia
hypsi-
hypso-