Antonyms of adj elfish

1 sense of elfish

Sense 1
elfin, elfish, elvish -- (usually good-naturedly mischievous; "perpetrated a practical joke with elfin delight"; "elvish tricks")

INDIRECT (VIA playful) -> unplayful, serious, sober -- (completely lacking in playfulness)

Similarity of adj elfish

1 sense of elfish

Sense 1
elfin, elfish, elvish -- (usually good-naturedly mischievous; "perpetrated a practical joke with elfin delight"; "elvish tricks")
       => playful (vs. unplayful) -- (full of fun and high spirits; "playful children just let loose from school")