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hypothesis Syllabification: hy·poth·e·sis
Pronunciation: /hīˈpäTHəsəs/

Definition of hypothesis in English:

noun (plural hypotheses-ˌsēz)

1A supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation: professional astronomers attacked him for popularizing an unconfirmed hypothesis
More example sentences
  • The only thing you can do is say the evidence suggests that the hypothesis is true.
  • Well, everyone comes at an investigation with certain hypotheses or certain biases.
  • All you will ever have is circumstantial evidence and an un-falsifiable hypothesis.
theory, theorem, thesis, conjecture, supposition, postulation, postulate, proposition, premise, assumption;
notion, concept, idea, possibility
1.1 Philosophy A proposition made as a basis for reasoning, without any assumption of its truth.
Example sentences
  • Popper consistently has opposed the appeal to inductive arguments to justify hypotheses.
  • In what way could the hypothesis that McFadden's process is consciousness be falsified?
  • This allows a test of the hypothesis that central tendency determines typicality.


Late 16th century: via late Latin from Greek hupothesis 'foundation', from hupo 'under' + thesis 'placing'.

Words that rhyme with hypothesis

Definition of hypothesis in:
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