Dictionary.com
Thesaurus.com
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.

In some cases these fees are justified and align management with investors — originating and managing private investments is inherently more time-consuming than trading stocks or bonds.

From MarketWatch

The author has had multiple Freedom of Information requests rejected, including on the grounds that it would be too time-consuming for government departments to go through the volume of information.

From BBC

AI is able to take on some time-consuming work such as processing data, implementing detailed instructions, or writing basic reports and communications, tasks which are often associated with first-job roles.

From BBC

These are time-consuming and often thankless jobs for a friend.

From MarketWatch

“That could be a very time-consuming, cumbersome and expensive process,” he said.

From Los Angeles Times