proofer (adjective) tight: sealed
Detalii: the choice of 'tight' or 'tightly' depends on whether it is the result or the application that is emphasized; if it is an enduring state, you would use 'tight'
Sinonime: clammy, glutinous, mucky, mucous, muculent, muddy, oozy, scummy, sludgy, slushy, viscous, yukky
Antonime: loose,
open, unsealed,
wide