Lex

//lɛks// name, noun, verb, slang

name, noun, verb, slang ·Moderate ·High school level

Definitions

Noun
  1. 1
    A specific inflected form of a word; compare lexeme.
  2. 2
    A Roman or Latin law (particularly in ancient Rome or in medieval Europe). uncommon

    "The 19th and 20th lines of the lex on the tablet (which decree the repeal of the rectigalia) seem to be conclusive in favour of this and against Rudorff's earlier theory."

Verb
  1. 1
    To perform lexical analysis; to convert a character stream to a token stream as a preliminary to parsing.

    "Once this is done, each processor parses and lexes its own documents, using conventional programming techniques."

Proper Noun
  1. 1
    Lexington. informal
  2. 2
    Lexus. informal

    "Could've got the Beamer. I ain't really want it.[…]Man, I should've got the Lex. Dropped the top on em, I ain't wanna flex. Would've hit your girl, I ain't want the sex."

  3. 3
    A pet form of the male given name Alexander.
  4. 4
    A pet form of the female given names Alexandra, Alexia, and Alexis.

Synonyms

All synonyms
actbillbylawcanondecreedictate

Example

More examples

"Lex Luthor is Superman's archenemy."

Etymology

Etymology 1

From lexical analysis, from lexical.

Etymology 2

Latin lex (“law”).

Related phrases

Lady Lexlexical analysis

More for "lex"

SynonymsSentencesPronunciationTranslate

Next best steps

Find stronger synonymsSee usage examplesCheck pronunciationBrowse writing guides

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.