Antonyms of adj lengthy

1 sense of lengthy

Sense 1
drawn-out, extended, lengthy, prolonged, protracted -- (relatively long in duration; tediously protracted; "a drawn-out argument"; "an extended discussion"; "a lengthy visit from her mother-in-law"; "a prolonged and bitter struggle"; "protracted negotiations")

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 lengthy

1 sense of lengthy

Sense 1
drawn-out, extended, lengthy, prolonged, protracted -- (relatively long in duration; tediously protracted; "a drawn-out argument"; "an extended discussion"; "a lengthy visit from her mother-in-law"; "a prolonged and bitter struggle"; "protracted negotiations")
       => 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")