time-consuming

adjective

time-con·​sum·​ing ˈtīm-kən-ˈsü-miŋ 

1

: using or taking up a great deal of time

time-consuming chores

2

: wasteful of time

time-consuming tactics

Examples of time-consuming in a Sentence

Recent Examples on the Web

This is the most important step — and the most time-consuming. — Maggie Ryan, Flow Space, 25 Sep. 2026

Those are difficult and time-consuming meetings, but show the public is aware and involved. — Marci Woodward, Sun Sentinel, 25 Sep. 2026

The cold temperature combined with the stickiness of any food juices that get stuck to the inside of the fridge make cleaning it arduous and time-consuming (and gross). — Kate McKenna, The Spruce, 24 Sep. 2026

Compliance with these rules would be costly and time-consuming for any firm, let alone a startup. — Andrew McAfee, Foreign Affairs, 23 Sep. 2026

Word History

First Known Use

1600, in the meaning defined at sense 1

Rhymes for time-consuming

• assuming
• consuming
• costuming
• presuming
• resuming
• subsuming
• blooming
• booming
• fuming
• grooming
• looming
• rooming