'lexical' definitions:

Definition of 'lexical'

From: WordNet
adjective
Of or relating to words; "lexical decision task"
adjective
Of or relating to dictionaries

Definition of 'lexical'

From: GCIDE
  • lexical \lex"ic*al\ (l[e^]ks"[i^]*kal), a. Of or pertaining to a lexicon, to lexicography, or words; according or conforming to a lexicon. -- {Lex"ic*al*ly}, adv. [1913 Webster]

Synonyms of 'lexical'

From: Moby Thesaurus