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Synonyms

undetermined

British  
/ ˌʌndɪˈtɜːmɪnd /

adjective

  1. not yet resolved; undecided

  2. not known or discovered

"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.

SpaceX plans to launch up to 1 million satellites, meant to function as data centers, over an undetermined period of time.

From MarketWatch • Apr. 3, 2026

The extent of the loss is undetermined, police said.

From Los Angeles Times • Feb. 3, 2026

The "fire of undetermined origin" broke out in a bar popular with tourists, police in the Wallis canton in southwestern Switzerland said in a statement.

From Barron's • Jan. 1, 2026

The notice said the initial tariff level will remain at zero for 18 months and then be increased in June 2027 to an undetermined rate.

From The Wall Street Journal • Dec. 24, 2025

Some undetermined time in January had become the axis day around which the months swung.

From "The Red Pony" by John Steinbeck

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.