(US, law) A plea in a criminal case which means that the defendant admits no guilt but is no longer contesting the charges brought against him/her.

(boxing); (informal)

A person who is not welcome, especially a diplomat in a foreign country.

a Polynesian musical instrument

(informal) Something that is decent, acceptable, or worthwhile.

Alternative form of close, but no cigar

An electronic device able to detect specific combinations of chemicals in gaseous form.

Somebody who does not smoke tobacco. / A railway carriage where smoking tobacco is not permitted.

Lacking a recognizable name, identity, or reputation; not noteworthy.

Someone or something lacking a recognizable name, identity, or reputation.