Third-person singular simple present indicative form of sign on

present participle of sign on

simple past tense and past participle of sign in

simple past tense and past participle of sign on

plural of sign

Third-person singular simple present indicative form of sign

Having a signature; endorsed. / (mathematics, computer science) Having both positive and negative varieties. / (of a road, route) Furnished with signs and signposts; signposted.

simple past tense and past participle of sign

present participle of sign

The act of concluding a contract, especially by an athlete or entertainer with a company. / (by extension) A player signed by a sporting organization.