random

inconnu

Dans le langage familier, personne que l’on ne connaît pas ou à laquelle on n’accorde pas d’importance.

En anglais simple : A person you do not know or consider important.

• Some random sent me a message.
• The party was full of randoms.
• Why did you give our address to a total random?

Synonymes : stranger, nobody

Expressions courantes : some random, a total random, random from somewhere

aléatoire, arbitraire

Choisi ou organisé sans plan, but ou ordre précis.

En anglais simple : Chosen or arranged without a clear plan, purpose, or pattern.

• The names are in random order.
• She picked a random book from the shelf.
• He wrote down random words as they came to him.

Synonymes : arbitrary, haphazard

Contraires : systematic

Expressions courantes : random order, random choice, random words

fortuit, aléatoire

Qui se produit sans raison apparente ni régularité prévisible.

En anglais simple : Happening without an obvious reason or predictable pattern.

• We heard random noises upstairs.
• The city has suffered several random attacks.
• A random encounter changed her plans for the day.

Synonymes : haphazard, unpredictable

Contraires : predictable

Expressions courantes : random act, random attack, random event

aléatoire

Choisi au hasard, chaque choix possible ayant la même chance d’être retenu.

En anglais simple : Chosen by chance, with every possible choice equally likely.

• We chose a random sample of students.
• A random draw decided who went first.
• The computer makes a random selection from all eligible names.

Contraires : nonrandom

Expressions courantes : random sample, random selection, random draw

aléatoire, stochastique

Dont le résultat est incertain, mais peut être décrit par des probabilités mathématiques.

En anglais simple : Having an uncertain result that can be described using mathematical chances.

• The model includes a random variable.
• We studied random processes in our statistics class.
• Each experiment produces a random outcome with a known probability.

Synonymes : stochastic

Contraires : deterministic

Expressions courantes : random variable, random process, random outcome