signed (Adjective) — Having a handwritten signature. ex. "a signed letter"
signed (Adjective) — Used of the language of the deaf.
signed (Adjective) — (mathematics, computer science) having both positive and negative values.
signed (Verb) — Mark with one's signature; write one's name (on). ex. "She signed the letter and sent it off" ex. "Please sign here"
signed (Verb) — Approve and express assent, responsibility, or obligation. ex. "Have you signed your contract yet?"
signed (Verb) — Be engaged by a written agreement. ex. "He signed to play the casino on Dec. 18" ex. "The soprano signed to sing the new opera"
signed (Verb) — Engage by written agreement. ex. "They signed two new pitchers for the next season"
signed (Verb) — Communicate silently and non-verbally by signals or signs. ex. "He signed his disapproval with a dismissive hand gesture"
signed (Verb) — Place signs, as along a road. ex. "sign an intersection" ex. "This road has been signed"
signed (Verb) — Communicate in sign language. ex. "I don't know how to sign, so I could not communicate with my deaf cousin"
signed (Verb) — Make the sign of the cross over someone in order to call on God for protection; consecrate.