gerund / present participle
Believing that something is true without having proof or checking it.
Assuming that the train is on time, we should arrive by noon.
I was assuming you had already called her.
American English
How to pronounce assuming
verbB1Very common word
uhSOOmihng
/əˈsu.mɪŋ/
3 syllables · Stress the second syllable.
Form of assume
Believing that something is true without having proof or checking it.
Practice out loudMeanings & examples
gerund / present participle
Taking on a duty, responsibility, position, or control and beginning to deal with it.
She is assuming responsibility for the new team.
By assuming control of the company, he changed its direction.
gerund / present participle
Taking on a particular form, appearance, name, or identity, often deliberately.
By assuming a false identity, the spy entered the country.
The mist is assuming the shape of a giant wave.
Related words & forms
The past form is assumed. Before -ing, drop the final e: assuming.