14.

Which words are antonyms?

sober; somber

lenient; permissive

dull; vivid

moderate; temperate

The words "sober" and "somber" are antonyms.

The words "lenient" and "permissive" are similar in meaning, so they are not antonyms.

The words "dull" and "vivid" are antonyms.

The words "moderate" and "temperate" are also similar in meaning, so they are not antonyms.