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Synonyms

unusable

British  
/ ʌnˈjuːzəbəl /

adjective

  1. not able or fit to be used

"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.

The fire on Jan. 22, believed to have been set by a homeless person, took out wooden framing below an asphalt bridge connecting access to a parking lot, making it unusable for safety reasons.

From Los Angeles Times • Feb. 28, 2026

This combination of heating and removal makes the gas unusable for forming new stars.

From Science Daily • Jan. 19, 2026

But burning continues and unusable waste is often dumped in empty lots, according to Vinh.

From Barron's • Dec. 16, 2025

Traditional spy tools and methods—known in the field as “tradecraft”— suddenly seemed unusable.

From The Wall Street Journal • Dec. 12, 2025

When the DNA turned out to be unusable, Pena came up with a second, more unorthodox approach: he decided to look for Lagoa Santa DNA in the Botocudo.

From "1491" by Charles C. Mann