Third-person singular simple present indicative form of sign in

present participle of sign in

Third-person singular simple present indicative form of sign on

simple past tense and past participle of sign in

A sign which indicates which way to go to a certain place.

To sign again; to provide one's signature again. / (by extension) To sign a contract renewing or restarting a professional relationship, such as that of a professional athlete with a sports team.

(astrology) Any of the three star signs Aquarius, Gemini and Libra.

(astrology) Any of the three star signs Cancer, Pisces and Scorpio.

(astrology) Any of the three star signs Aries, Leo and Sagittarius.

(astrology) Any of the three star signs Capricorn, Taurus and Virgo.