Definition of assume
- assume responsibility
- assume a position
- assumed an air of confidence in spite of her nervousness
- I assume he'll be there.
I assumed he was coming, so I was surprised when he didn't show up.
She assumed from his expression that he was confused.
We'll be arriving around noon. That's assuming that our flight is on time.
The king assumed the throne when he was very young.
Under certain conditions, the chemical will assume the appearance of ice.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'assume.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: to think that something is true or probably true without knowing that it is true
: to begin (a role, duty, etc.) as a job or responsibility
: to take or begin to have (power, control, etc.) in a job or situation
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