Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"Emergency services are securing the 5-storey building, so far they have ascertained nothing," tweeted Berlin police, adding the road the building was on had been blocked off.

From Reuters • Feb. 16, 2023

Only once they have ascertained that photons look like photons, electrons look like electrons, and so on, can they have confidence in their results.

From Scientific American • Apr. 27, 2022

Fact-checkers Logically have ascertained that the photograph is an image of a Ukrainian soldier from August 2021.

From BBC • Mar. 7, 2022

So, once you have ascertained that you can make the trip, write down questions about testing to consider such as:

From Washington Post • Dec. 2, 2021

As for Mr and Mrs Taylor themselves, I have ascertained that they ran the village green grocery here from the twenties until their retirement three years ago.

From "The Remains of the Day" by Kazuo Ishiguro