diminished

verb

1. (form-of, participle, past)simple past and past participle of diminish

adj

1. lessened, reduced

   “The diminished Roman Empire never recovered from the sack of Rome.”

   “Another well-known express to disappear on the same date was the Blue Comet of the Central of New Jersey, an all-coach luxury express which operated between New York and Atlantic City; in this case the reason is diminished patronage.”

2. made to seem less important, impressive, or valuable

   “She felt diminished by the report card.”

3. reduced by a semitone