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• self
  self

  noun

  a person or thing referred to with respect to complete individuality.
• self-
  self-

  a combining form of self and variously used with the meanings “of the self ” (self-analysis ) and “by oneself or itself ” (self-appointed ); and with the meanings “to, with, toward, for, on, in oneself ” (self-complacent ), “inherent in oneself or itself ” (self-explanatory ), “independent” (self-government ), and “automatic” (self-operating ).

self

¹ American  

[self] / sɛlf /

noun

selves plural

1. a person or thing referred to with respect to complete individuality.

   one's own self.

2. a person's nature, character, etc..

   his better self.

3. personal interest.

4. Philosophy.

   1. the ego; that which knows, remembers, desires, suffers, etc., as contrasted with that known, remembered, etc.

   2. the uniting principle, as a soul, underlying all subjective experience.

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adjective

1. being the same throughout, as a color; uniform.

2. being of one piece with or the same material as the rest.

   drapes with a self lining.

3. Immunology. the natural constituents of the body, which are normally not subject to attack by components of the immune system (contrasted with nonself).

4. Obsolete. same.

pronoun

selves plural

1. myself, himself, herself, etc..

   to make a check payable to self.

verb (used with or without object)

1. to self-pollinate.

self- ² American  

1. a combining form of self and variously used with the meanings “of the self ” (self-analysis ) and “by oneself or itself ” (self-appointed ); and with the meanings “to, with, toward, for, on, in oneself ” (self-complacent ), “inherent in oneself or itself ” (self-explanatory ), “independent” (self-government ), and “automatic” (self-operating ).

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self ¹ British  

/ sɛlf /

noun

1. the distinct individuality or identity of a person or thing

2. a person's usual or typical bodily make-up or personal characteristics

   she looked her old self again

3. rare a polite way of referring to or addressing a person (or persons), used following your, his, her, or their

4. one's own welfare or interests

   he only thinks of self

5. an individual's consciousness of his own identity or being

6. philosophy that which is essential to an individual, esp the mind or soul in Cartesian metaphysics; the ego

7. a bird, animal, etc, that is a single colour throughout, esp a self-coloured pigeon

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pronoun

1. not_standard myself, yourself, etc

   seats for self and wife

adjective

1. of the same colour or material See also self-coloured

   a dress with a self belt

2. obsolete the same

self- ² British  

combining form

1. of oneself or itself

   self-defence

   self-rule

2. by, to, in, due to, for, or from the self

   self-employed

   self-inflicted

   self-respect

3. automatic or automatically

   self-propelled

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Usage

What does self- mean? Self- is a combining form used like a prefix meaning “self,” in a variety of senses. Often, it is used to mean "of the self," "independent," or "automatic." In many instances, it is separated from the second element with a hyphen, as in self-government. It is often used in a variety of everyday and technical terms. Self- comes from Old English self, meaning “self.”

Etymology

Origin of self

First recorded before 900; Middle English; Old English self, selfa; cognate with Dutch zelf, German selb-, Old Norse sjalfr, Gothic silba; akin to Irish féin, Latin suī, sē

Explanation

Your self is your sense of who you are, deep down — your identity. When you let someone else know you well, you reveal your true self to them. If the subject of your thoughts is you, you're thinking about your self — or, alternately, yourself. There are parts of your brain that make it possible for you to think about the concept of self, and schools of philosophy devoted to exploring why people have a unique sense of self. Psychologists also study the development of the self, or the beginning of self-awareness, in children. Self comes from the Old English, in which it means "one's own person."

Example Sentences

Expectations for approval to sell Full Self Driving in China appear to have catalyzed the recent rally.

From Barron's • May 18, 2026

Expectations for Full Self Driving approval in China have driven Tesla’s recent rally; 1.3 million subscribers pay $99 monthly.

From Barron's • May 18, 2026

Tools for Self Reliance, based in Netley Marsh, Hampshire, collects and refurbishes equipment no longer needed in the UK and sends it abroad to help fledgling businesses.

From BBC • Apr. 22, 2026

She holds a master’s degree in public health, and her writing has appeared in Time, The Guardian, Self, Outside, Eater, HuffPost and Prevention.

From MarketWatch • Mar. 23, 2026

One must find the source within one’s own Self, one must possess it.

From "Siddhartha" by Hermann Hesse

Related Words

• character
• ego
• identity
• individuality
• myself
• person
• personality