THEORETICAL
theoretical, theoretic
(adjective) concerned primarily with theories or hypotheses rather than practical considerations; “theoretical science”
theoretical
(adjective) concerned with theories rather than their practical applications; “theoretical physics”
Source: WordNet® 3.1
Etymology
Adjective
theoretical (comparative more theoretical, superlative most theoretical)
Of or relating to theory; abstract; not empirical.
Antonym: practical
Source: Wiktionary
The`o*ret"ic, The`o*ret"ic*al, a. Etym: [Gr. theoreticus, F.
théorétique.]
Definition: 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`o*ret"ic*al*ly, adv.
Source: Webster’s Unabridged Dictionary 1913 Edition