in solitary (adjective) alone: separate; apart
Sinonime: abstract,
academic, analytical, as a premise, assumed, codified, conjectural,
contingent, formalistic, formularized,
general, ideal, idealized, ideational, ideological,
imaginative,
impractical, in the abstract, in theory, instanced, intellectual, logical,
metaphysical, notional, on paper,
pedantic, philosophical, postulated, presumed, problematical,
pure,
quixotic,
speculative, suppositional,
tentative,
transcendent,
transcendental,
unearthly, unproved, unsubstantiated,
vagueAntonime: certain,
definite,
factual, proven,
real