The sealed envelope contained important documents.
white envelope
Frequency:
70
%
She received a white envelope in the mail.
thick envelope
Frequency:
60
%
The thick envelope was filled with photographs.
brown envelope
Frequency:
50
%
He found a brown envelope on his doorstep.
addressed envelope
Frequency:
45
%
The addressed envelope was ready to be mailed.
Idiomatic Expressions for envelope
Phrase: lick the envelope
Meaning: to seal an envelope by moistening the adhesive flap
Usage: After writing the letter, she licked the envelope and dropped it in the mailbox.