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

Astrophotographers can stack images and use software to remove trails (as if post-processing wasn't already time-consuming enough), but for astronomers, mega-constellations can hugely affect spectroscopic data and wide-field surveys, such as the Rubin Observatory. —Jamie Carter, Space.com, 12 June 2026

These surveys drop a lot of hard, time-consuming work up front. —Jordan Minor, PC Magazine, 12 June 2026

The company also warns that finding a replacement with the same skills and experience as Musk would be time-consuming, if not nearly impossible. —ABC News, 11 June 2026

Scientists are developing autonomous robotic labs powered by artificial intelligence, with the goal of having robots handle human researchers' most time-consuming tasks. —Brittney Melton, NPR, 9 June 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