hermetically sealed (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: astigmatic, blind,
heedless, impercipient,
inattentive, incurious, unseeing
Antonime: observant