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Synonyms

time-consuming

American  
[tahym-kuhn-soo-ming] / ˈtaɪm kənˌsu mɪŋ /

adjective

  1. (of an action) requiring or wasting much time.


time-consuming British  

adjective

  1. taking up or involving a great deal of 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

Etymology

Origin of time-consuming

First recorded in 1930–35

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:

To be sure, AI had already made some processes far less time-consuming, including the administrative work involved in data reports and clinical-trial planning.

From The Wall Street Journal ● Oct. 9, 2026

Leah Cottell, who has been leading the study, said the process had been "incredibly time-consuming" but she had learned a lot.

From BBC ● Sep. 7, 2026

The time-consuming ice-making technique often used in Japan, which tends to produce a higher quality product, had largely been phased out in the US.

From Barron's ● Sep. 6, 2026

Serving as an executor is a time-consuming and thankless job, and you should be reimbursed for your time.

From MarketWatch ● Sep. 1, 2026

An alteration in calutron design that seemed trivial in Berkeley could set off an avalanche of costly and time-consuming changes downstream at Oak Ridge.

From "Big Science" by Michael Hiltzik

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