Main definitions of sig in English

: sig1SIG2

sig1

noun

Computing
informal
  • A short personalized message at the end of an email.

    • ‘How do I tell a friend her email sig is really annoying?’

Origin

1990s: abbreviation of signature.

Pronunciation

sig

/sɪɡ/

Main definitions of sig in English

: sig1SIG2

SIG2

Computing
  • Special interest group, a type of newsgroup.