A heavy silence/atmosphere noun phrase
Used to describe a situation when people say nothing and feel worried, embarrassed or uncomfortable
A heavy silence fell upon the room after Jane refused John's proposal.
Laura doesn't like this heavy atmosphere, so she decides to break it by singing a funny song.
My husband and I had a heavy silence on our first date, because we didn't know what to talk with each other.
A pause or silence which is full of meaning or sentiment
Not sound, or a spoken word from someone
Used to advise people that sometimes it is better to not say anything
Something or someone has been somewhere and become so familiar that it is hard for you to accept that place without them.
He was here for such a long time, so he was part of the furniture.