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

Unlike language models trained on trillions of words scraped from the Internet, robotic manipulation data requires physical demonstrations that are expensive and time-consuming to collect. —Janakiram Msv, Forbes.com, 30 Jan. 2026

This data efficiency is particularly important in robotics, where collecting real-world training data is costly and time-consuming. —Aamir Khollam, Interesting Engineering, 29 Jan. 2026

Indeed, thanks in part to its time-consuming approach, from the late twentieth century through 2016, the number of pardons granted by successive presidents trended steadily downward. —Bernadette Meyler, Harpers Magazine, 27 Jan. 2026

Miami-Dade and Broward County authorities publish clear guidelines, but navigating them can be time-consuming. —Anton Lucanus, Miami Herald, 27 Jan. 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