(idiomatic) An apophasis used by a speaker to introduce, despite claiming not to address, a given point of discussion.

Things that appear valuable or worthwhile might not actually be so; things that look nice might not be as good as they look.

(law) A formal plea by a defendant of not being culpable for the crime with which the defendant is charged.

(law) Of a person, legally innocent of a crime which they have been accused of in a court of law. / (nonstandard) Innocent.

(idiomatic) To avoid something at all costs; to refuse to associate with something; signifies a strong aversion. / (idiomatic) To be unable (perhaps figuratively) to approach something or someone.

(Britain, slang) Greatly; to a considerable extent.

anecdotal evidence is not adequate to prove something

(idiomatic) Worthless or pointless.

The superficial trappings of something are unrelated to its true essence.

(often ironic, sarcastic) Don't blame yourself for the end of our relationship.