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Definitions

time-consuming

[tahym-kuhn-soo-ming] / ˈtaɪm kənˌsu mɪŋ /
ADJECTIVE
slow
Synonyms
STRONGEST
dull gradual low moderate sluggish stagnant stiff tame tedious
STRONG
delayed detained down hindered impeded lingering off prolonged protracted reduced slack
WEAK
backward behindhand belated conservative dead dilatory draggy inactive long-delayed long-drawn-out overdue sleepy tardy uneventful unproductive unprogressive unpunctual
Antonyms
STRONGEST
active bright exciting interesting lively violent wild
WEAK
busy cognizant hurried intelligent on cue on time quick rapid ready smart waiting

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.

If the new guy were using software like TurboTax, H&R Block or FreeTaxUSA, it would be cheaper, less hassle and less time-consuming to do it yourself.

From MarketWatch • Mar. 27, 2026

She says she found some swaps very time-consuming - especially in the morning and right after school when she needed to get things done.

From BBC • Mar. 26, 2026

Nudging employees to embrace AI also has yielded new ideas about how to accomplish time-consuming tasks, CFOs said.

From The Wall Street Journal • Mar. 25, 2026

The new policy also creates new verification rules – like stricter proof of parents’ employment – that are making it more time-consuming and complicated to receive subsidies.

From Salon • Mar. 20, 2026

Reloading was a time-consuming process that called for two hands and more than twenty seconds.

From "Chasing Lincoln's Killer" by James L. Swanson

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.