Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “assumption”

See all translations

assumption

noun uk   /əˈsʌmp.ʃən/ us  

assumption noun (BELIEF)

C1 [C] something that you accept as true without question or proof: People tend to make assumptions about you when you have a disability. These calculations are based on the assumption that prices will continue to rise.
More examples
assumption of power, responsibility, etc. [U] the act of taking a position of power, responsibility, etc.: The revolutionaries' assumption of power took the army by surprise.
Translations of “assumption”
in Korean 추정, 추측…
in Arabic تَخْمين, ادِّعاء…
in Portuguese pressuposição, suposição…
in Catalan supòsit, suposició…
in Japanese 仮定, 前提, 勝手な推測…
in Italian supposizione, ipotesi…
in Chinese (Traditional) 假定, 假設, 臆斷…
in Russian предположение…
in Turkish zan, sanı, varsayım…
in Chinese (Simplified) 假定, 假设, 臆断…
in Polish założenie…
(Definition of assumption from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of assumption?
Add Cambridge dictionaries to your browser to your website

Definitions of “assumption” in other dictionaries

Word of the Day

illusion

an idea or belief that is not true

Word of the Day

Lies, lies, lies!

by Kate Woodford,
February 25, 2015
​​​ According to sociologists (=people who study the relationships between people living in groups), we are good at lying. As a species, we have developed a remarkable ability to deceive each other (= persuade each other that something false is true). Being able to say things that are not true can help with

Read More 

showrooming noun

February 23, 2015
the activity of examining a product in a physical store and then making the purchase with an online retailer Amazon’s new smartphone is specifically designed to make showrooming fast and easy.

Read More