Synonyms for

Hypothesis

Verb / haɪˈpɑ:θʌsʌs / Another word for hypothesis — explore alternatives below. For syllable breakdowns and pronunciation, see this word on Syllablesworld.

Definition

A hypothesis is an idea or explanation that is based on limited evidence and is used as a starting point for further investigation.

Synonyms & similar words

speculation theory guess possibility supposition surmise surmisal conjecture theory assumption supposition conjecture guess postulate proposition thesis speculation presumption surmise belief notion hunch thought opinion view idea concept impression

Synonyms by register

Formal

theory postulate proposition supposition

Informal

guess hunch idea shot in the dark

Literary

conjecture surmise

Antonyms

fact certainty proof truth reality confirmation

Common collocations

  • formulate a hypothesis
  • test a hypothesis
  • support a hypothesis
  • reject a hypothesis
  • working hypothesis
  • null hypothesis
  • alternative hypothesis

Word family

noun hypothesis
verb hypothesize
adjective hypothetical
adverb hypothetically

Usage note

A hypothesis is a proposed explanation made on the basis of limited evidence as a starting point for further investigation. It is distinct from a theory, which is a well-substantiated explanation.

Example sentences

  1. My hypothesis is that the ball will roll down the hill because of gravity.
  2. The scientist tested his hypothesis by conducting an experiment.
  3. We need to come up with a hypothesis before we can start our research project.
  4. Her hypothesis was proven to be correct after conducting several tests.
  5. The teacher asked the students to write a hypothesis about what would happen if they mixed vinegar and baking soda.

Quotes

  • The only thing that satisfies the heart is a true hypothesis. - Robert Frost
  • The universe is full of magical things patiently waiting for our wits to grow sharper. - Eden Phillpotts
  • A hypothesis is a statement that wears a question mark instead of a period. - Unknown

Try these popular words

the and that for you with was this are have not from

Practice

Play the Word Synonyms game · Choose level (start near 1)

Worksheets

Grade 4 · Grade 5 · Grade 6

Topics

Guides

Explore more words