Dictionary.com
Thesaurus.com

proper time

British  

noun

  1. time measured by a clock that has the same motion as the observer. Any clock in motion relative to the observer, or in a different gravitational field, will not, according to the theory of relativity, measure proper time

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.

See Examples For:

The paper, titled "Quantum signatures of proper time in optical ion clocks," appeared April 20, 2026 in Physical Review Letters.

From Science Daily May 18, 2026

Later, he adopted a habit of submitting the master tape of an episode so late there wasn’t proper time to review it.

From Salon Jul. 25, 2025

"We're hopeful that we have the proper time... to begin phase two, and finish it off and get more hostages released," he told CNN on Sunday.

From BBC Feb. 24, 2025

“Despite not having proper time, resources and staffing when things got tough I just did my best to handle it,” Ms. Gutierrez-Reed said in court, reading from a statement, her wrists shackled.

From New York Times Apr. 15, 2024

As Resch had said, it would be dealt with at a proper time.

From "Do Androids Dream of Electric Sheep?" by Philip K. Dick

Vocabulary.com logo
by dictionary.com

Join 12,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training