Pertaining to theory; depending on, or confined to, theory or speculation; speculative; terminating in theory or speculation: not practical; as, theoretical learning; theoretic sciences.
The theoretical understanding of the world, which is the aim of philosophy, is not a matter of great practical importance to animals, or to savages, or even to most civilised men. Bertrand Russell
My background is in theoretical physics, and it's something very close to my heart. Yuri Milner
Mental illness, of course, is not literally a 'thing' - or physical object - and hence it can 'exist' only in the same sort of way in which other theoretical concepts exist. Thomas Szasz
Fiction and essays can create empathy for the theoretical stranger. Barbara Kingsolver
Although they can do it all the time, you know, they're far better than me, on a musically, on a theoretical music level. You know, they're out of my league. Eric Clapton
