Antonyms of adj stilted

1 sense of stilted

Sense 1
artificial, contrived, hokey, stilted -- (artificially formal; "that artificial humility that her husband hated"; "contrived coyness"; "a stilted letter of acknowledgment"; "when people try to correct their speech they develop a stilted pronunciation")

INDIRECT (VIA affected) -> unaffected -- (free of artificiality; sincere and genuine; "an unaffected grace")

Similarity of adj stilted

1 sense of stilted

Sense 1
artificial, contrived, hokey, stilted -- (artificially formal; "that artificial humility that her husband hated"; "contrived coyness"; "a stilted letter of acknowledgment"; "when people try to correct their speech they develop a stilted pronunciation")
       => affected (vs. unaffected), unnatural -- (speaking or behaving in an artificial way to make an impression)