Valueless, insignificant.

To not take any action; to fail to do or accomplish something.

(informal) A bland sandwich with nothing, or very little, between the bread. / (figuratively) Synonym of nothingburger (something of less importance than its treatment suggests)

plural of nothing sandwich

(MLE) A standard formula to end a conversation, i.e. bye, see you soon.

Alternative form of there is nothing new under the sun

effectively no difference between

(humorous) The study of nothingness.

plural of hiding to nothing

(chiefly obsolete) Being nothing; nonexistent.