Definition of assume
1a : to take to or upon oneself : undertake assume responsibilityb : to place oneself in assume a position
3 : to pretend to have or be : feign assumed an air of confidence in spite of her nervousness
4 : to take as granted or true : suppose I assume he'll be there.
5 : to take over (the debts of another) as one's own
7a : to take up or in : receiveb : to take into partnership, employment, or use
assumabilityplay \-ˌsü-mə-ˈbi-lə-tē\ noun
assumableplay \-ˈsü-mə-bəl\ adjective
assumablyplay \-blē\ adverb
Examples of assume in a Sentence
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.
Recent Examples of assume from the Web
Even some very smart and well-meaning people seem to assume that if racial groups differed in meaningful ways owing to their DNA, that would justify horrifying practices.
Assuming Hosmer wins the vote, Smoak and Alonso are having career years and could make it as their teams’ lone representatives; the AL hardly needs four first basemen, even if Miggy’s homecoming in Miami would be a nice story.
Because of this, many of us assume that the reason why bridesmaids dresses traditionally match is purely for aesthetic reasons — the bridal party looking uniform creates a pleasing backdrop for the main event.
That's assuming people aren't drawing on savings, investments or other means aside from paychecks to maintain spending levels.
Of course, those ethical questions assume that synthetic biologists will be able to replicate a human genome—and that’s far from certain.
For decades, locals assumed that the majestic 290-foot Landscape Arch, in Arches National Park's Devil's Garden, was the world's longest arch.
Chief of Staff Dwayne Clark will assume director duties at the jail in Bolton's absence.
The chiefs also serve as replacement positions for other key administration roles, including the director of communications, whose responsibilities will be assumed by the chief communication, community/workforce engagement officer.
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.
Synonym Discussion of assume
ASSUME Defined for English Language Learners
Definition of assume for English Language Learners
: 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
ASSUME Defined for Kids
Definition of assume for Students
1 : to begin to take on or perform assume responsibility assumed the presidency
2 : to take or begin to have The problem assumes greater importance now.
3 : to pretend to have or be We both assumed an air of weary worldliness … — Richard Peck, A Long Way From Chicago
4 : to accept as true I assume you're right.
Legal Definition of assume
1 : to voluntarily take upon oneself assume a risk
2 : to take over (the debts or obligations of another) as one's own assume a mortgage
Seen and Heard
What made you want to look up assume? Please tell us where you read or heard it (including the quote, if possible).