one (EN)
numéral, pronom, nom, adjectif, déterminant

numéral “one”

one, 1
  1. un
    She has one cat that follows her everywhere.

pronom “one”

singular one, plural ones
  1. un (une personne)
    Out of all the puppies, the littlest one stole my heart.
  2. on
    One should always try to be kind, for one never knows what someone else is going through.

nom “one”

sg. one, 1, pl. ones, 1s
  1. un
    After learning to write, the first digit she mastered was the number one.
  2. un billet (de un dollar)
    Can you break this twenty? I need a few ones for the vending machine.
  3. une heure
    The meeting is scheduled to start promptly at one in the afternoon.
  4. une histoire drôle
    John always has a good one to tell at parties, leaving everyone in stitches.
  5. un type (une personne caractéristique)
    She's quite the one for baking; her cookies are always a hit at the bake sale.
  6. la personne ou la chose parfaite
    I know it. She is the one for me.

adjectif “one”

one, non-gradable
  1. un (moment précis)
    One morning, she woke up to find the garden covered in a blanket of snow.
  2. un (quelconque)
    In a city, one shop is just like the other.
  3. le seul
    In the vast expanse of the desert, he was the one source of knowledge for miles around.
  4. entier ou indivis
    The team worked as one to achieve their goal.
  5. unis
    After the meeting, the committee was one in their decision to proceed with the project.
  6. le même
    Though they may appear diverse, all these theories are one in their basic principles.

déterminant “one”

one
  1. utilisé pour donner de l'importance
    That was one incredible performance you gave on stage!