Antonyms of adj untested

2 senses of untested

Sense 1
unseasoned, untested, untried, young -- (not tried or tested by experience; "unseasoned artillery volunteers"; "still untested in battle"; "an illustrator untried in mural painting"; "a young hand at plowing")

INDIRECT (VIA inexperienced) -> experienced, experient -- (having experience; having knowledge or skill from observation or participation)

Sense 2
untested, untried -- (not yet proved or subjected to testing; "an untested drug"; "untested theory"; "an untried procedure")

INDIRECT (VIA new) -> old -- (of long duration; not new; "old tradition"; "old house"; "old wine"; "old country"; "old friendships"; "old money")

Similarity of adj untested

2 senses of untested

Sense 1
unseasoned, untested, untried, young -- (not tried or tested by experience; "unseasoned artillery volunteers"; "still untested in battle"; "an illustrator untried in mural painting"; "a young hand at plowing")
       => inexperienced (vs. experienced), inexperient -- (lacking practical experience or training)

Sense 2
untested, untried -- (not yet proved or subjected to testing; "an untested drug"; "untested theory"; "an untried procedure")
       => new (vs. old) -- (not of long duration; having just (or relatively recently) come into being or been made or acquired or discovered; "a new law"; "new cars"; "a new comet"; "a new friend"; "a new year"; "the New World")