Antonyms of adj close-packed

1 sense of close-packed

Sense 1
close-packed -- (packed especially tightly)

INDIRECT (VIA compact) -> loose -- (not compact or dense in structure or arrangement; "loose gravel")

Similarity of adj close-packed

1 sense of close-packed

Sense 1
close-packed -- (packed especially tightly)
       => compact (vs. loose) -- (closely and firmly united or packed together; "compact soil"; "compact clusters of flowers")