worthless or of no merit / useless

Having no value, use or merit

A worthless or useless person

plural of no-good

(African-American Vernacular, slang) Something particularly good and high-quality. / (African-American Vernacular, mildly vulgar, slang) Good and satisfying sex.

Alternative form of good-good

Acting in the interest of what is beneficial, ethical, or moral. / Competent or talented. / Able to be depended on for the discharge of obligations incurred; of unimpaired credit; used with for.

That is good; an elliptical exclamation of satisfaction or commendation.

(nonstandard) Well; satisfactorily or thoroughly.

(uncountable) The forces or behaviours that are the enemy of evil. Usually consists of helping others and general benevolence. / (countable) A result that is positive in the view of the speaker.