Definition of random

Short definition: The word random means happening without a clear plan, order, or reason. People use it to describe choices, events, or ideas that seem unexpected and not carefully decided in advance.

Looking for a clear and real-life explanation of the word random? We use random all the time to describe things that feel unplanned, unexpected, or chosen without a clear pattern—from songs in a playlist, to people we meet by chance, to numbers generated by a computer. Below, each meaning is explained in a relaxed, everyday style with long examples that show how people actually use the word.

random adj., n. /ˈrændəm/

Comparatives: more random, most random
Related: randomly adv., randomness n.
Syllable: ran-dom

  1. (Adjective) Happening without a clear plan, pattern, or reason; not carefully organized or controlled.
    We had a random conversation with a stranger on the train, and somehow it turned into one of the most interesting talks of the week.
    His playlist feels random, jumping from classical music to hip-hop without any warning.
    That idea seemed random at first, but later it became the solution everyone agreed on.

    Synonyms: accidental, unplanned, unpredictable, spontaneous, arbitrary, chance-based, haphazard, unsystematic, casual, hit-or-miss, impulsive, offhand
    Antonyms: planned, deliberate, organized, systematic, intentional, structured, predictable, calculated, methodical, arranged, purposeful, designed

  2. (Adjective) Chosen without preference or bias, giving everyone or everything an equal chance.
    The winners were selected in a completely random draw, so everyone felt the process was fair and transparent.
    We decided to visit a random café in the city instead of going to our usual place.
    She opened a random page in the book and started reading from wherever her finger landed.

    Synonyms: unbiased, impartial, neutral, fair, chance-selected, lottery-based, blind choice, non-preferential, even-handed, indiscriminate, impartialized, equal-chance
    Antonyms: biased, selective, preferential, deliberate choice, targeted, chosen, intentional pick, fixed, controlled, decided in advance, partial, one-sided

  3. (Adjective) Seeming strange, unusual, or unexpected in a way that feels out of context.
    His comment felt random in the middle of a serious meeting, leaving everyone confused for a moment.
    She sent me a random message late at night, and I still have no idea what made her think of that topic.
    That question came out of nowhere and sounded so random that people started laughing.

    Synonyms: odd, unexpected, out of the blue, strange, unusual, weird, off-topic, out of place, bizarre, surprising, curious, awkward
    Antonyms: expected, appropriate, relevant, fitting, normal, predictable, logical, natural, in-context, suitable, understandable, reasonable

  4. (Noun) Something that happens by chance or without planning.
    Sometimes life feels like a series of randoms, where unexpected events slowly shape your future.
    That meeting wasn’t planned at all—it was pure random, but it led to an important opportunity.
    We laughed about how much of our success came from simple random rather than careful strategy.

    Synonyms: chance, coincidence, accident, fluke, stroke of luck, happenstance, twist of fate, unpredictability, surprise event, lucky break, odd occurrence, fortuity
    Antonyms: plan, intention, design, purpose, strategy, careful choice, forethought, preparation, control, organization, predictability, certainty

  5. (Figurative) Describing a style of thinking or behavior that jumps from one idea to another without a clear structure.
    His thoughts felt random that day, jumping from work problems to weekend plans without pause.
    The conversation turned random as everyone started sharing unrelated stories.
    She has a wonderfully random way of thinking, which often leads to creative ideas others wouldn’t imagine.

    Synonyms: scattered, unfocused, free-flowing, nonlinear, spontaneous-minded, stream-of-thought, impulsive-thinking, wandering, loose, disorganized, free-association, imaginative
    Antonyms: focused, structured, logical, organized, systematic, coherent, linear, disciplined, methodical, orderly, well-planned, goal-oriented

Conversation Using the Word Random

This conversation takes place between two friends talking about an unexpected plan. It shows how the word random is used naturally to describe spontaneous choices and surprising moments in everyday life.

Chris: Do you ever do something completely random just for fun?

Olivia: Actually, yes. Yesterday I took a random walk and found a new café.

Chris: That sounds nice. Sometimes random moments are the best ones.

Olivia: I agree. Life feels more exciting when you allow a little randomness.

Chris: I once met a business partner through a random conversation on a train.

Olivia: See? You never know what a random meeting can bring.

Chris: Maybe we should make a random plan this weekend.

Olivia: I’m in. Let’s choose a place at random and just go.

Chris: Sometimes the best memories come from random decisions.

Olivia: Exactly. That’s what makes life interesting.

Phrases Containing the Word Random

The phrases below show how the word random is used to describe chance events, unexpected choices, and situations without a clear plan in everyday English.

Random choice

A decision made without a plan.

We made a random choice to try a new restaurant, and it turned out great.

Random idea

An unexpected thought.

He suddenly shared a random idea that actually solved the problem.

Random moment

An unplanned experience.

We met again by chance in a random moment at the airport.

Random person

Someone you don’t know.

A random person helped me carry my bags when I was struggling.

Random question

An unexpected inquiry.

She asked a random question that made everyone laugh.

Random thought

A sudden idea.

I had a random thought about calling an old friend.

Random number

A number chosen by chance.

The system generates a random number for each user.

Random pick

A selection made by chance.

The winner was chosen by a random pick from the list.

Random meeting

An unexpected encounter.

Our random meeting at the café led to a great partnership.

Random event

Something that happens unexpectedly.

That random event changed the direction of his life.

Random message

An unexpected text or note.

I received a random message from an old classmate.

Random fact

An interesting but unplanned detail.

She shared a random fact that surprised everyone.

Random place

An unexpected location.

We ended up in a random place but discovered a beautiful park.

Random day

An ordinary, unplanned day.

On a random day, she decided to change her routine.

Random comment

An unexpected remark.

His random comment made the meeting more relaxed.

Random chance

An unexpected opportunity.

Meeting her was a random chance that changed everything.

Random style

An unpredictable way of doing things.

He has a random style of working, but it often leads to creative results.

Random order

No fixed sequence.

The questions appear in random order each time.

Random act

An unplanned action.

A random act of kindness can brighten someone’s day.

Random decision

A spontaneous choice.

They made a random decision to take a road trip.

Words Rhyme with random

tandem
fandom
phantom
quantum
bantam
handheld
handsome
ransom
transom
expansion
mansion
scansion
referendum
addendum
memorandum
corundum
stardom
freedom
boredom
kingdom
wisdom
seldom
system
victim
problem
anthem
bottom
autumn
blossom
awesome
POS: Adjective