Our models of the world, and our sensations of the world, are not the true world.

Not for the moment, though expected later. / Not quite; not exactly.

(idiomatic) Very little; not a lot.

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

(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.

To be less than completely certain; to lack support.

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

(idiomatic) Dictated, as to a secretary or stenographer, but not proofread by the person who dictated it.

(mathematics, logic) A unary operation on logical values that changes true to false, and false to true.