Antonyms of adj somber

2 senses of somber

Sense 1
drab, sober, somber, sombre -- (lacking brightness or color; dull; "drab faded curtains"; "sober Puritan grey"; "children in somber brown clothes")

INDIRECT (VIA colorless) -> colorful, colourful -- (having striking color; "colorful autumn leaves")

Sense 2
somber, sombre, melancholy -- (grave or even gloomy in character; "solemn and mournful music"; "a suit of somber black"; "a somber mood")

INDIRECT (VIA depressing) -> cheerful -- (being full of or promoting cheer; having or showing good spirits; "her cheerful nature"; "a cheerful greeting"; "a cheerful room"; "as cheerful as anyone confined to a hospital bed could be")

Similarity of adj somber

2 senses of somber

Sense 1
drab, sober, somber, sombre -- (lacking brightness or color; dull; "drab faded curtains"; "sober Puritan grey"; "children in somber brown clothes")
       => colorless (vs. colorful), colourless -- (weak in color; not colorful)

Sense 2
somber, sombre, melancholy -- (grave or even gloomy in character; "solemn and mournful music"; "a suit of somber black"; "a somber mood")
       => depressing (vs. cheerful), cheerless, uncheerful -- (causing sad feelings of gloom and inadequacy; "the economic outlook is depressing"; "something cheerless about the room"; "a moody and uncheerful person"; "an uncheerful place")