| SIG | a character indicating a relation between quantities |
|---|---|
| SIG | a gesture that is part of a sign language |
| SIG | (linguistics) a fundamental linguistic unit linking a signifier to that which is signified |
| SIG | an event that is experienced as indicating important things to come |
| SIG | (astrology) one of 12 equal areas into which the zodiac is divided |
| SIG | having an indicated pole (as the distinction between positive and negative electric charges) |
| SIG | (medical) any objective evidence of the presence of a disorder or disease |
| SIG | make the sign of the cross over someone in order to call on God for protection |
| SIG | be engaged by a written agreement |
| SIG | communicate in sign language |
| SIG | mark with one's signature |
| SIG | communicate silently and non-verbally by signals or signs |