(euphemistic) Dead; deceased. / (euphemistic) Not still employed at a company, of someone who left or was let go.

(idiomatic, litotes, understatement) Misbehaving, being mischievous.

(UK law) A declaration from the attorney general ending a criminal prosecution. / (law) A proceeding or declaration by which a plaintiff or prosecutor ends a legal suit.

(law, transitive, somewhat informal) To issue a nolle prosequi.

Although technically a breach of some code or law may have occurred, there was no actual damage meriting punishment, apology or retribution.

Gossip and accusations are often substantiated by fact.

without a doubt; surely.

(Britain, informal) A supposed surname for a friendless person.

Not any. / Hardly any. / Not any possibility or allowance of (doing something). / Not (a); not properly, not really; not fully.

Used before different, before comparatives with more and less, and idiomatically before other comparatives. / (informal) Used idiomatically before certain other adjectives.