Antonyms of adj undiminished

1 sense of undiminished

Sense 1
undiminished, unrelieved -- (not lessened or diminished; "unrelieved suffering")

INDIRECT (VIA unmitigated) -> mitigated -- (made less severe or intense; "he gladly accepted the mitigated penalty")

Similarity of adj undiminished

1 sense of undiminished

Sense 1
undiminished, unrelieved -- (not lessened or diminished; "unrelieved suffering")
       => unmitigated (vs. mitigated) -- (not diminished or moderated in intensity or severity; sometimes used as an intensifier; "unmitigated suffering"; "an unmitigated horror"; "an unmitigated lie")