Simple past tense and past participle of discredit.
Discredited Sentence Examples
Buddhism, which swayed Korea from the 10th to the 14th century, has been discredited for three centuries, and its priests are ignorant, immoral and despised.
The Royalist cavalry was disorganized by victory as often as by defeat, and illustrated on numerous fields the now discredited maxim that cavalry cannot charge twice in one day.
This prosecution finally discredited the new society.
Their canoes are simply hollowed out of trunks with the adze and in no other way, and it is the smaller ones which are outrigged; they do not last long and are not good sea-boats, and the story of raids on Car Nicobar, out of sight across a stormy and sea-rippled channel, must be discredited.