sign

nouns

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"
mark, sign
is derived from
signify
a public display of a message
"he posted signs in all the shop windows"
sign
is a type of (narrower)
something that is communicated by or to or between people or groups
communication
any nonverbal action or gesture that encodes a message
"signals from the boat suddenly stopped"
sign, signal, signaling
is derived from
signify
structure displaying a board on which advertisements can be posted
"the highway was lined with signboards"
sign, signboard
(astrology) one of 12 equal areas into which the zodiac is divided
house, mansion, planetary house, sign, sign of the zodiac, star sign
(medicine) any objective evidence of the presence of a disorder or disease
"there were no signs of asphyxiation"
sign
is a part of
an impairment of health or a condition of abnormal functioning
disease
domain category
the branches of medical science that deal with nonsurgical techniques
medical specialty, medicine
is a type of (narrower)
your basis for belief or disbelief; knowledge on which to base belief
"the evidence that smoking causes lung cancer is very compelling"
evidence, grounds
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"
polarity, sign
an event that is experienced as indicating important things to come
"he hoped it was an augury"; "it was a sign from God"
augury, foretoken, preindication, sign
a gesture that is part of a sign language
sign
is derived from
signify
is a part of
language expressed by visible hand gestures
sign language, signing
is a type of (narrower)
the use of movements (especially of the hands) to communicate familiar or prearranged signals
gesture, motion
a fundamental linguistic unit linking a signifier to that which is signified
"The bond between the signifier and the signified is arbitrary"--de Saussure
sign
domain category
the scientific study of language
linguistics
is a type of (narrower)
one of the natural units into which linguistic messages can be analyzed
language unit, linguistic unit
a character indicating a relation between quantities
"don't forget the minus sign"
sign
is derived from
signify
is derived from
signify
is a type of (narrower)
a notation used by mathematicians
mathematical notation

verbs

mark with one's signature; write one's name (on)
"She signed the letter and sent it off"; "Please sign here"
sign, subscribe
is derived from
signature
is derived from
signer
see also
sign in
see also
sign away
see also
sign over
approve and express assent, responsibility, or obligation
"All parties ratified the peace treaty"; "Have you signed your contract yet?"
ratify, sign
is derived from
signer
be engaged by a written agreement
"He signed to play the casino on Dec. 18"; "The soprano signed to sing the new opera"
sign
is derived from
signer
is a type of (narrower)
enter into a contractual arrangement
contract, undertake
engage by written agreement
"They signed two new pitchers for the next season"
contract, sign, sign on, sign up
is derived from
signer
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"
sign, signal, signalise, signalize
is derived from
signer
is derived from
signing
place signs, as along a road
"sign an intersection"; "This road has been signed"
sign
is a type of (narrower)
put into a certain place or abstract location
"Put your things here"; "Set the tray down"; "Set the dogs on the scent of the missing children"; "Place emphasis on a certain point"
lay, place, pose, position, put, set
communicate in sign language
"I don't know how to sign, so I could not communicate with my deaf cousin"
sign
is derived from
signer
is a type of (narrower)
transmit thoughts or feelings
"He communicated his anxieties to the psychiatrist"
communicate, intercommunicate
make the sign of the cross over someone in order to call on God for protection; consecrate
bless, sign

adjectives

used of the language of the deaf
gestural, sign, sign-language, signed