Sign vs. Signpost

A sign is an object, quality, event, or entity whose presence or occurrence indicates the probable presence or occurrence of something else. A natural sign bears a causal relation to its object—for instance, thunder is a sign of storm, or medical symptoms a sign of disease.

A post supporting a sign or signs with information or directions.

an object, quality, or event whose presence or occurrence indicates the probable presence or occurrence of something else

An indication, sign, or guide.

a gesture or action used to convey information or an instruction

A post bearing a sign that gives information on directions.

a notice on public display that gives information or instructions in a written or symbolic form

(cryptic crosswords) A word or phrase within a clue that serves as an indicator, rather than being fodder.

each of the twelve equal sections into which the zodiac is divided, named from the constellations formerly situated in each, and associated with successive periods of the year according to the position of the sun on the ecliptic

(transitive) To install signposts on.

the positiveness or negativeness of a quantity

(transitive) To direct (somebody) to services, resources, etc.

write one's name on (a letter, card, document, etc.) to identify oneself as the writer or sender

To indicate logical progress of a discourse using words or phrases such as now, right, to recap, to sum up, as I was saying, etc.

use gestures to convey information or instructions

To signal, as if with a signpost

indicate with signposts or other markers

A post on which a sign hangs, or on which papers are placed to give public notice of anything.

mark or consecrate with the sign of the cross

a post bearing a sign that gives directions or shows the way

Something that suggests the presence or existence of a fact, condition, or quality

mark with a signpost, as of a path

An act or gesture used to convey an idea, a desire, information, or a command

Sign language.

A displayed structure bearing lettering or symbols, used to identify or advertise a place of business

A posted notice bearing a designation, direction, or command

A conventional figure or device that stands for a word, phrase, or operation; a symbol, as in mathematics or in musical notation.

pl. sign An indicator, such as a dropping or footprint, of the trail of an animal

A trace or vestige

A portentous incident or event; a presage

(Medicine) An objective finding, usually detected on physical examination, from a laboratory test, or on an x-ray, that indicates the presence of abnormality or disease.

One of the 12 divisions of the zodiac, each named for a constellation and represented by a symbol.

To affix one's signature to

To write (one's signature)

To approve or ratify (a document) by affixing a signature, seal, or other mark

To hire or engage by obtaining a signature on a contract

To relinquish or transfer title to by signature

To provide with a sign or signs

To communicate with a sign or signs

To express (a word or thought, for example) in a sign language

To consecrate with the sign of the cross.

To make a sign or signs; signal.

To communicate in a sign language.

To write one's signature.

A perceptible (e.g. visible) indication.

Physical evidence left by an animal.

A clearly visible object, generally flat, bearing a short message in words or pictures.

A wonder; miracle; prodigy.

(astrology) An astrological sign.

(mathematics) Positive or negative polarity, as denoted by the + or - sign.

A specific gesture or motion used to communicate by those with speaking or hearing difficulties; now specifically, a linguistic unit in sign language equivalent to word in spoken languages.

(uncountable) Sign language in general.

A semantic unit, something that conveys meaning or information (e.g. a word of written language); a unit consisting of a signifier and a signified concept. sign (semiotics)]].

An omen.

(medicine) A property of the body that indicates a disease and, unlike a symptom, can be detected objectively by someone other than the patient.

A military emblem carried on a banner or standard.

To make a mark

To seal (a document etc.) with an identifying seal or symbol.

(transitive) To mark, to put or leave a mark on.

(transitive) To validate or ratify (a document) by writing one's signature on it.

(transitive) More generally, to write one's signature on (something) as a means of identification etc.

To write (one's name) as a signature.

(intransitive) To write one's signature.

(intransitive) To finalise a contractual agreement to work for a given sports team, record label etc.

(transitive) To engage (a sports player, musician etc.) in a contract.

To make the sign of the cross

(transitive) To bless (someone or something) with the sign of the cross; to mark with the sign of the cross.

(reflexive) To cross oneself.

To indicate

(intransitive) To communicate using a gesture or signal.

(transitive) To communicate or make known (a meaning, intention, etc.) by a sign.

(transitive) To communicate using gestures to (someone).

(intransitive) To use sign language.

(transitive) To furnish (a road etc.) with signs.

To determine the sign of

(transitive) To calculate or derive whether a quantity has a positive or negative sign.

That by which anything is made known or represented; that which furnishes evidence; a mark; a token; an indication; a proof.

Something serving to indicate the existence, or preserve the memory, of a thing; a token; a memorial; a monument.

Any symbol or emblem which prefigures, typifles, or represents, an idea; a type; hence, sometimes, a picture.

A word or a character regarded as the outward manifestation of thought; as, words are the sign of ideas.

Hence, one of the gestures of pantomime, or of a language of a signs such as those used by the North American Indians, or those used by the deaf and dumb.

A military emblem carried on a banner or a standard.

The twelfth part of the ecliptic or zodiac.

A character indicating the relation of quantities, or an operation performed upon them; as, the sign + (plus); the sign - (minus); the sign of division ÷, and the like.

Any character, as a flat, sharp, dot, etc.

To represent by a sign; to make known in a typical or emblematic manner, in distinction from speech; to signify.

To make a sign upon; to mark with a sign.

To affix a signature to; to ratify by hand or seal; to subscribe in one's own handwriting.

To assign or convey formally; - used with away.

To mark; to make distinguishable.

To be a sign or omen.

To make a sign or signal; to communicate directions or intelligence by signs.

To write one's name, esp. as a token of assent, responsibility, or obligation.

a perceptible indication of something not immediately apparent (as a visible clue that something has happened);

a public display of a (usually written) message;

any communication that encodes a message;

structure displaying a board on which advertisements can be posted;

(astrology) one of 12 equal areas into which the zodiac is divided

(medicine) any objective evidence of the presence of a disorder or disease;

having an indicated pole (as the distinction between positive and negative electric charges);

an event that is experienced as indicating important things to come;

a gesture that is part of a sign language

a fundamental linguistic unit linking a signifier to that which is signified;

a character indicating a relation between quantities;

mark with one's signature; write one's name (on);

approve and express assent, responsibility, or obligation;

be engaged by a written agreement;

engage by written agreement;

communicate silently and non-verbally by signals or signs;

place signs, as along a road;

communicate in sign language;

make the sign of the cross over someone in order to call on God for protection; consecrate

used of the language of the deaf