Antonyms of adj unappreciative

1 sense of unappreciative

Sense 1
unappreciative -- (not feeling or expressing gratitude; "unappreciative of nature's bounty")

INDIRECT (VIA ungrateful) -> grateful, thankful -- (feeling or showing gratitude; "a grateful heart"; "grateful for the tree's shade"; "a thankful smile")

Similarity of adj unappreciative

1 sense of unappreciative

Sense 1
unappreciative -- (not feeling or expressing gratitude; "unappreciative of nature's bounty")
       => ungrateful (vs. grateful), thankless, unthankful -- (not feeling or showing gratitude; "ungrateful heirs"; "How sharper than a serpent's tooth it is / To have a thankless child!"- Shakespeare)