Should Rock-Bottom Be Hyphenated?

The word rock bottom came to be used figuratively: – in American English; – either as a noun or as an adjective; ... (Remark: I hyphenate rock and bottom when I write of them as forming a compound attributive adjective.)

Should bottom line be hyphenated?

The bottom line is a noun, though increasingly it is being used as a verb as in bottom line me, a request to leave out the details of an explanation and skip to the important part. ... When used as an adjective before a noun, the term is hyphenated as in bottom-line.

How do you use rock bottom in a sentence?

Examples of rock-bottom in a Sentence

Noun After years of heavy drug use, she has finally reached rock bottom. Their marriage has hit rock bottom.