Antonyms of adj formulaic

1 sense of formulaic

Sense 1
formulaic -- (characterized by or in accordance with some formula)

INDIRECT (VIA conventional) -> unconventional -- (not conforming to accepted rules or standards; "her unconventional dress and hair style")
INDIRECT (VIA conventional, conventional) -> unconventional -- (not conventional or conformist; "unconventional life styles")

Similarity of adj formulaic

1 sense of formulaic

Sense 1
formulaic -- (characterized by or in accordance with some formula)
       => conventional (vs. unconventional) (vs. unconventional) -- (following accepted customs and proprieties; "conventional wisdom"; "she had strayed from the path of conventional behavior"; "conventional forms of address")