hypothesize

UK:**UK and possibly other pronunciationsUK and possibly other pronunciations/haɪˈpɒθɪsaɪz/

US:USA pronunciation: IPAUSA pronunciation: IPA/haɪˈpɑθəˌsaɪz, hɪ-/

US:USA pronunciation: respellingUSA pronunciation: respelling(hī poth′ə sīz′, hi-)


Inflections of 'hypothesize' (v): (⇒ conjugate)
hypothesizes
v 3rd person singular (US & UK)
hypothesizing
v pres p (US & UK)
hypothesized
v past (US & UK)
hypothesized
v past p (US & UK)

WordReference Random House Learner's Dictionary of American English © 2026
hy•poth•e•size /haɪˈpɑθəˌsaɪz, hɪ-/USA pronunciation   v., -sized, -siz•ing. 
  1. [no object] to form a hypothesis.
  2. to assume by hypothesis:[~ + (that) clause]We hypothesized that she was really a spy.
See -thes-.
WordReference Random House Unabridged Dictionary of American English © 2026
hy•poth•e•size  (hī poth′ə sīz′, hi-),USA pronunciation v., -sized, -siz•ing. 
v.i. 
  1. to form a hypothesis.

v.t. 
  1. to assume by hypothesis.
Also, hypothecate;
 [esp. Brit.,] hy•poth′e•sise′. 
  • hypothes(is) + -ize 1730–40
hy•poth′e•siz′er, n. 

Collins Concise English Dictionary © HarperCollins Publishers::
hypothesize, hypothesise /haɪˈpɒθɪˌsaɪz/ vb
  1. to form or assume as a hypothesis
hyˈpotheˌsizer, hyˈpotheˌsiser n
'hypothesize' also found in these entries (note: many are not synonyms or translations):
hypothecate - premise

🗣️Forum discussions with the word(s) "hypothesize" in the title:


Look up "hypothesize" at Merriam-Webster
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