Antonyms of adj open-collared

1 sense of open-collared

Sense 1
open-collared -- (of a shirt; not buttoned at the neck; "dressed casually in shorts and an open-collared shirt")

INDIRECT (VIA unbuttoned) -> buttoned, fastened -- (furnished or closed with buttons or something buttonlike)

Similarity of adj open-collared

1 sense of open-collared

Sense 1
open-collared -- (of a shirt; not buttoned at the neck; "dressed casually in shorts and an open-collared shirt")
       => unbuttoned (vs. buttoned), unfastened -- (not buttoned; "the wind picked up the hem of her unbuttoned coat")