abstract adj
1 abstruse, arcane, complex, conceptual, deep, general, generalized, hypothetical, indefinite, intellectual, nonconcrete, notional, occult, philosophical, profound, recondite, separate, subtle, theoretic, theoretical, unpractical, unrealistic n
2 abridgment, compendium, condensation, digest, epitome, essence, outline, précis, recapitulation, résumé, summary, synopsis vb
3 abbreviate, abridge, condense, digest, epitomize, outline, précis, shorten, summarize, synopsize (U.S.)
4 detach, dissociate, extract, isolate, remove, separate, steal, take away, take out, withdraw adj actual, concrete, definite, factual, material, real, specific n enlargement, expansion vb