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

Maintenance on green roofs can cost anywhere from a few cents to over $3 a square foot per year and can be time-consuming depending on whether a roof needs to be weeded and watered by hand. — Taylor Wishart, The Conversation, 12 Aug. 2026

In its current form, the program places substantial administrative burden on clinicians, requiring extensive documentation, prior authorizations, appeals, and time-consuming navigation of evolving coverage rules. — Jeffrey Millstein, STAT, 11 Aug. 2026

Mougey said in July that the Jets are using AI to automate time-consuming work and help staff digest large amounts of information in scouting and personnel. — Jackson Thompson, FOXNews.com, 11 Aug. 2026

Market research is a costly and time-consuming endeavor, with global spending expected to exceed $116 billion by 2030. — David Prosser, Forbes.com, 10 Aug. 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