Antonyms of adj time-honored

2 senses of time-honored

Sense 1
time-honored, time-honoured -- (acceptable for a long time; "time-honored customs")

INDIRECT (VIA reputable) -> disreputable -- (lacking respectability in character or behavior or appearance)

Sense 2
time-honored, time-honoured -- (honored because of age or long usage; "time-honored institutions")

INDIRECT (VIA honorable) -> dishonorable, dishonourable -- (lacking honor or integrity; deserving dishonor; "dishonorable in thought and deed")

Similarity of adj time-honored

2 senses of time-honored

Sense 1
time-honored, time-honoured -- (acceptable for a long time; "time-honored customs")
       => reputable (vs. disreputable) -- (having a good reputation; "a reputable business"; "a reputable scientist"; "a reputable wine")

Sense 2
time-honored, time-honoured -- (honored because of age or long usage; "time-honored institutions")
       => honorable (vs. dishonorable), honourable -- (worthy of being honored; entitled to honor and respect; "an honorable man"; "led an honorable life"; "honorable service to his country")