alone

/ə'loun/
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alone

The boy sits alone on a wooden bench in the park.

Definition
  1. Adjective:

    • Without any other people present; by oneself: Describes a state of being physically separate from others.
    • Isolated in feeling or situation; lonely: Can describe an emotional state of solitude or separation.
    • Unique; unequaled; having no like or equal: Used to emphasize that something or someone is singular and unmatched.
    • Excluding all others; only: Used to specify that no other person or thing is included.
  2. Adverb:

    • By oneself; without the presence or help of others: Describes an action performed in solitude.
    • Exclusively; only; solely: Used to limit the scope to one specific person, thing, or action.
Usage Examples
  • Adjective:

    • She felt very alone in the big city. (She felt isolated and without companionship.)
    • He is alone in his belief that the plan will work. (He is the only one who holds this belief.)
    • This diamond is alone in its perfection. (This diamond is unique and unequaled in its perfection.)
  • Adverb:

    • The child can tie his shoes alone. (The child can do it by himself, without help.)
    • The responsibility rests alone on the manager. (The responsibility rests solely on the manager.)
    • He did it alone, without telling anyone. (He did it by himself.)
Advanced Usage
  • "Leave alone" / "Let alone": These are phrasal verbs. "Leave alone" means to stop bothering someone or something. "Let alone" is used to introduce a more extreme example to show that something is even less likely or possible.

    • Please leave that vase alone; it's very fragile. (Please stop touching or bothering the vase.)
    • He can't afford a car, let alone a house. (A house is an even bigger expense than a car, so it's certainly impossible.)
  • "Go it alone": An idiom meaning to do something independently, without assistance.

    • After the argument, she decided to go it alone on the project. (She decided to work on the project by herself.)
Variants and Related Words
  • Lonely (adj): Feeling sad because one is without companions. (While "alone" is a state, "lonely" is the associated feeling.)
  • Solitary (adj): Done or existing alone. (e.g., a walk)
  • Solely (adv): Only; not involving anyone or anything else. (A synonym for the adverbial use of "alone.")
  • Unique (adj): Being the only one of its kind; unlike anything else. (A synonym for one meaning of "alone.")
Synonyms
  • By oneself (adv): Without company.
  • Solo (adv/adj): Done by one person alone.
  • Only (adv): And no one or nothing else besides.
  • Isolated (adj): Far away from other places, buildings, or people; alone.
Related Phrasal Verbs
  • Stand alone: To be independent or unaided; to be clearly separate or superior.
    • This theory stands alone in its elegant explanation. (This theory is unique and superior.)
Related Idioms
  • Alone in a crowd: Feeling isolated or lonely even when surrounded by people.
    • At the party, she felt alone in a crowd.
  • Leave/Let well enough alone: To avoid trying to improve something that is already satisfactory, as such efforts might make it worse.
    • The painting looks fine; you should let well enough alone.
alone

The boy sits alone on a wooden bench in the park.

Adjective
  1. radically distinctive and without equal
    • he is alone in the field of microbiology
    • this theory is altogether alone in its penetration of the problem
    • Bach was unique in his handling of counterpoint
    • craftsmen whose skill is unequaled
    • unparalleled athletic ability
    • a breakdown of law unparalleled in our history
  2. exclusive of anyone or anything else
    • she alone believed him
    • cannot live by bread alone
    • I'll have this car and this car only
  3. lacking companions or companionship
    • he was alone when we met him
    • she is alone much of the time
    • the lone skier on the mountain
    • a lonely fisherman stood on a tuft of gravel
    • a lonely soul
    • a solitary traveler
  4. isolated from others
    • could be alone in a crowded room
    • was alone with her thoughts
    • I want to be alone
Adverb
  1. without anybody else or anything else
    • the child stayed home alone
    • the pillar stood alone, supporting nothing
    • he flew solo
  2. without any others being included or involved
    • was entirely to blame
    • a school devoted entirely to the needs of problem children
    • he works for Mr. Smith exclusively
    • did it solely for money
    • the burden of proof rests on the prosecution alone
    • a privilege granted only to him