Antonyms of adj time-consuming

1 sense of time-consuming

Sense 1
time-consuming -- (of a task that takes time and patience)

INDIRECT (VIA long) -> short -- (primarily temporal sense; indicating or being or seeming to be limited in duration; "a short life"; "a short flight"; "a short holiday"; "a short story"; "only a few short months")

Similarity of adj time-consuming

1 sense of time-consuming

Sense 1
time-consuming -- (of a task that takes time and patience)
       => long (vs. short) -- (primarily temporal sense; being or indicating a relatively great or greater than average duration or passage of time or a duration as specified; "a long life"; "a long boring speech"; "a long time"; "a long friendship"; "a long game"; "long ago"; "an hour long")