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Closed

closed

adjective

if a door, window, lid etc is closed, it is covering an open area, passage, or hole

secure

adjective

fastened firmly, in a safe way

sealed

adjective

closed with a lid, cover etc so that nothing can get in or out

clenched

adjective

closed tightly together

unopened

adjective

not opened yet

shut

adjective

closed

airtight

adjective

not allowing air to enter or leave

hermetic

adjective

closed tightly, so that no air can get in or out

up

adjective, adverb, preposition

fastened or closed completely

under lock and key

in a room or container which is fastened with a lock

vocal fry

a speech habit in which a speaker lowers their voice at the end of a sentence

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dray

a type of cart pulled by a horse and used in the past for carrying barrels of beer

Open Dictionary

conflict mineral

a mineral which is mined in a place where there is armed conflict, and sold to help pay for weapons

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