- The two countries signed a cultural agreement .
- There is no sign of him mending his ways .
- The agreement was signed in june 1884 .
- The king signed the instrument of abdication .
- Can you make out what that sign says ?
- make the sign of the cross over someone in order to call on God for protection; consecrate
- be engaged by a written agreement; "He signed to play the casino on Dec. 18"; "The soprano signed to sing the new opera"
- communicate in sign language; "I don''t know how to sign, so I could not communicate with my deaf cousin"
- mark with one''s signature; write one''s name (on); "She signed the letter and sent it off"; "Please sign here"
- communicate silently and non-verbally by signals or signs; "He signed his disapproval with a dismissive hand gesture"; "The diner signaled the waiters to bring the menu"
同义词：signal, signalize, signalise
- place signs, as along a road; "sign an intersection"; "This road has been signed"
- engage by written agreement; "They signed two new pitchers for the next season"
同义词：contract, sign on, sign up
- approve and express assent, responsibility, or obligation; "All parties ratified the peace treaty"; "Have you signed your contract yet?"
- structure displaying a board on which advertisements can be posted; "the highway was lined with signboards"
- a perceptible indication of something not immediately apparent (as a visible clue that something has happened); "he showed signs of strain"; "they welcomed the signs of spring"
- any nonverbal action or gesture that encodes a message; "signals from the boat suddenly stopped"
- a public display of a message; "he posted signs in all the shop windows"
- a character indicating a relation between quantities; "don''t forget the minus sign"
- a gesture that is part of a sign language
- a fundamental linguistic unit linking a signifier to that which is signified; "The bond between the signifier and the signified is arbitrary"--de Saussure
- an event that is experienced as indicating important things to come; "he hoped it was an augury"; "it was a sign from God"
同义词：augury, foretoken, preindication
- (astrology) one of 12 equal areas into which the zodiac is divided
同义词：sign of the zodiac, star sign, mansion, house, planetary house
- having an indicated pole (as the distinction between positive and negative electric charges); "he got the polarity of the battery reversed"; "charges of opposite sign"
- (medicine) any objective evidence of the presence of a disorder or disease; "there were no signs of asphyxiation"
A sign is a representation of an object that implies a connection between itself and its object. A natural sign bears a causal relation to its object?for instance, thunder is a sign of storm.