Meaning of the word assuming in English

What does assuming mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

assuming

US /əˈsuːmɪŋ/
UK /əˈsjuːmɪŋ/

Conjunction

on the assumption that; supposing

Example:
Assuming he's telling the truth, we have nothing to worry about.
Assuming all goes well, we should arrive by noon.

Adjective

presumptuous; arrogant

Example:
It was rather assuming of him to think he could just walk in without an appointment.
Her assuming tone suggested she already knew the answer.