Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb attempt

2 senses of attempt

Sense 1
try, seek, attempt, essay, assay -- (make an effort or attempt; "He tried to shake off his fears"; "The infant had essayed a few wobbly steps"; "The police attempted to stop the thief"; "He sought to improve himself"; "She always seeks to do good in the world")
       => act, move -- (perform an action, or work out or perform (an action); "think before you act"; "We must move quickly"; "The governor should act on the new energy bill"; "The nanny acted quickly by grabbing the toddler and covering him with a wet towel")

Sense 2
undertake, set about, attempt -- (enter upon an activity or enterprise)
       => initiate, pioneer -- (take the lead or initiative in; participate in the development of; "This South African surgeon pioneered heart transplants")

Antonyms of adj attempted

1 sense of attempted

Sense 1
attempted -- (tried unsuccessfully; "attempted murder")

INDIRECT (VIA unsuccessful) -> successful -- (having succeeded or being marked by a favorable outcome; "a successful architect"; "a successful business venture")

Similarity of adj attempted

1 sense of attempted

Sense 1
attempted -- (tried unsuccessfully; "attempted murder")
       => unsuccessful (vs. successful) -- (not successful; having failed or having an unfavorable outcome)