Definition of 'ascertain'
Video: pronunciation of 'ascertain'
Example sentences containing 'ascertain'
These examples have been automatically selected and may contain sensitive content. Read more…
There should be a public inquiry to ascertain the facts. The Sun (2016)It is merely to ascertain some facts. Times, Sunday Times (2008)It was a long shot but might be worth the effort, at least to ascertain the facts. Broken Lives (1993)A post mortem examination will be performed today to ascertain the cause of death. Times, Sunday Times (2011)If a teacher wants to ascertain whether in fact learning has taken place, she has to measure this change. Educational Psychology in a Changing World (1988)You will need to ascertain exactly why an individual isn't performing well enough and then choose the correct procedure. Times, Sunday Times (2013)Considering all factors and facts to ascertain the economic reality here, the plaintiff constituted an employee of the church alone. Christianity Today (2000)Committee members were unable to ascertain exactly which pollutants had done what, but identified the mine as the source of the trouble. The Times Literary Supplement (2014)A post-mortem failed to ascertain cause of death. Times, Sunday Times (2010)I was an investigative journalist and set out to ascertain the facts about violence in South Africa. Times, Sunday Times (2013)Just by looking at this data... I can ascertain exactly what has happened on each pit stop. Times, Sunday Times (2016)Further afield, where planes are still incredibly loud, it is impossible to ascertain the extent to which properties will suffer from noise blight. Times, Sunday Times (2013)
Trends of 'ascertain'
In Common Usage. ascertain is one of the 10000 most commonly used words in the Collins dictionary
View usage for:
Translations for 'ascertain'
British English: ascertain VERB
If you ascertain the truth about something, you find out what it is, especially by making a deliberate effort to do so.
An investigation has been ordered to ascertain the cause of the accident.
Definition of ascertain from the Collins English Dictionary
Collins Dictionaries for Schools
Our new online dictionaries for schools provide a safe and appropriate environment for children. And best of all it's ad free, so sign up now and start using at home or in the classroom.
Unlock language with the Paul Noble method
No books. No rote memorization. No chance of failure. Your chance to have a one-to-one lesson with best-selling language expert Paul Noble, try a FREE audio sample of his brand new Mandarin Chinese course.
13th edition of the Collins Dictionary out now!
Updated with all the very latest new words and senses, this new 13th edition is an unparalleled resource for word lovers, word gamers, and word geeks everywhere. #homeoflivingenglish
We have almost 200 lists of words from topics as varied as types of butterflies, jackets, currencies, vegetables and knots! Amaze your friends with your new-found knowledge!
Rainbow Tree, Asymmetric Wreath, and Period Poverty: November’s Words in the News
Catch up on the latest words in the news this November with Robert Groves.
Join the Collins community
All the latest wordy news, linguistic insights, offers and competitions every month.