In reality; in actual fact.

In reality, in real nature or essence, opposed to what is merely external or apparent.

in reality: in terms of real existence or actual life; (generally in somewhat weakened use) really, actually, in fact. Also, †in reality of fact (a…

In actual fact, in reality, in truth. Now rare except with a more direct allusion to sense 11.

In a real as opposed to a superficial or apparent manner; really, thoroughly, truly.

under the skin (also skins): in reality; according to the true rather the apparent nature of something. Originally in sisters under the skin.