The Collaborative International Dictionary of English v.0.48:

Epic \Ep"ic\, a. [L. epicus, Gr. ?, from ? a word, speech, tale,
   song; akin to L. vox voice: cf. F. ['e]pique. See Voice.]
   Narrated in a grand style; pertaining to or designating a
   kind of narrative poem, usually called an heroic poem, in
   which real or fictitious events, usually the achievements of
   some hero, are narrated in an elevated style.
   [1913 Webster]

         The epic poem treats of one great, complex action, in a
         grand style and with fullness of detail. --T. Arnold.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Epic \Ep"ic\, n.
   An epic or heroic poem. See Epic, a.
   [1913 Webster]

WordNet (r) 3.0 (2006):

epic
    adj 1: very imposing or impressive; surpassing the ordinary
           (especially in size or scale); "an epic voyage"; "of
           heroic proportions"; "heroic sculpture" [syn: epic,
           heroic, larger-than-life]
    2: constituting or having to do with or suggestive of a literary
       epic; "epic tradition" [syn: epic, epical]
    n 1: a long narrative poem telling of a hero's deeds [syn: epic
         poem, heroic poem, epic, epos]

Moby Thesaurus II by Grady Ward, 1.0:

77 Moby Thesaurus words for "epic":
   English sonnet, Horatian ode, Italian sonnet, Petrarchan sonnet,
   Pindaric ode, Sapphic ode, Shakespearean sonnet, account, alba,
   anacreontic, anecdotage, anecdote, balada, ballad, ballade,
   bucolic, canso, chanson, chronicle, clerihew, dirge, dithyramb,
   eclogue, elegy, epigram, epithalamium, epode, epopee, epopoeia,
   epos, georgic, ghazel, haiku, idyll, jingle, limerick, lyric,
   madrigal, monody, narration, narrative, narrative poem,
   nursery rhyme, ode, palinode, pastoral, pastoral elegy, pastorela,
   pastourelle, poem, prothalamium, rhyme, rondeau, rondel, roundel,
   roundelay, saga, satire, sestina, sloka, song, sonnet,
   sonnet sequence, story, tale, tanka, tenso, tenzone, threnody,
   triolet, troubadour poem, verse, verselet, versicle, villanelle,
   virelay, yarn



V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

EPIC
       Eclipse PERL Integration Project (Eclipse, PERL)


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

EPIC
       Electronic Privacy Information Center (cryptography)


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

EPIC
       Embedded Platform for Industrial Computing


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

EPIC
       European Public sector Information systems Conference


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

EPIC
       Explicit Parallelism Instruction Computing (Intel, CPU, VLIW)