suppose

verb

sup·​pose sə-ˈpōz How to pronounce suppose (audio)
usually after "I" ˈspōz
supposed; supposing
Synonyms of suppose

transitive verb

1
a
: to lay down tentatively as a hypothesis, assumption, or proposal
suppose a fire broke out
suppose you bring the salad
b(1)
: to hold as an opinion : believe
they supposed they were early
(2)
: to think probable or in keeping with the facts
seems reasonable to suppose that he would profit
2
b
: to have a suspicion of
3

Examples of suppose in a Sentence

Suppose a fire broke out. How would we escape? Just suppose for a moment that you agreed with me. Supposing he refuses to help, what do we do then? The renovations will cost much more than we originally supposed.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
You’re not supposed to understand. Literary Hub, 26 May 2026 Humans aren't supposed to land on the planet until the 2030s at the very earliest. Tom Brown, Space.com, 25 May 2026 Games are supposed to bring about 1 million visitors to the US this year, Sacks said, so the benefit to host cities will be substantial, though hotel block sales aren’t as robust as those cities had hoped. Natasha Chen, CNN Money, 25 May 2026 To honor his legacy on what was supposed to be a major race day for him, Kyle's wife, Samantha Busch, and their children, Brexton and Lennix, 4, made an emotional appearance at the race alongside his parents, Tom and Gaye Busch, and brother, Kurt Busch. Desiree Anello, PEOPLE, 25 May 2026 See All Example Sentences for suppose

Word History

Etymology

Middle English, from Anglo-French supposer, from Medieval Latin supponere (perfect indicative supposui), from Latin, to put under, substitute, from sub- + ponere to put — more at position

First Known Use

14th century, in the meaning defined at transitive sense 1a

Time Traveler
The first known use of suppose was in the 14th century

Browse Nearby Words

Cite this Entry

“Suppose.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/suppose. Accessed 29 May. 2026.

Kids Definition

suppose

verb
sup·​pose sə-ˈpōz How to pronounce suppose (audio)
supposed; supposing
1
: to take as true or as a fact for the sake of argument
suppose a fire should break out
2
: to hold as an opinion : believe
they supposed they were on the right bus
3
: to come to a conclusion arrived at by guessing
who do you suppose will win

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