Antonyms of adj fussy

3 senses of fussy

Sense 1
crabbed, crabby, cross, fussy, grouchy, grumpy, bad-tempered, ill-tempered -- (annoyed and irritable)

INDIRECT (VIA ill-natured) -> good-natured -- (having an easygoing and cheerful disposition; "too good-natured to resent a little criticism"; "the good-natured policeman on our block"; "the sounds of good-natured play")

Sense 2
busy, fussy -- (overcrowded or cluttered with detail; "a busy painting"; "a fussy design")

INDIRECT (VIA fancy) -> plain -- (not elaborate or elaborated; simple; "plain food"; "stuck to the plain facts"; "a plain blue suit"; "a plain rectangular brick building")

Sense 3
finical, finicky, fussy, particular, picky -- (exacting especially about details; "a finicky eater"; "fussy about clothes"; "very particular about how her food was prepared")

INDIRECT (VIA fastidious) -> unfastidious -- (marked by an absence of due or proper care or attention to detail; not concerned with cleanliness; "unfastidious in her dress")

Similarity of adj fussy

3 senses of fussy

Sense 1
crabbed, crabby, cross, fussy, grouchy, grumpy, bad-tempered, ill-tempered -- (annoyed and irritable)
       => ill-natured (vs. good-natured) -- (having an irritable and unpleasant disposition)

Sense 2
busy, fussy -- (overcrowded or cluttered with detail; "a busy painting"; "a fussy design")
       => fancy (vs. plain) -- (not plain; decorative or ornamented; "fancy handwriting"; "fancy clothes")

Sense 3
finical, finicky, fussy, particular, picky -- (exacting especially about details; "a finicky eater"; "fussy about clothes"; "very particular about how her food was prepared")
       => fastidious (vs. unfastidious) -- (giving careful attention to detail; hard to please; excessively concerned with cleanliness; "a fastidious and incisive intellect"; "fastidious about personal cleanliness")