parieurSens surtout américain, terme employé pour une personne qui parie.
A better placed a large wager on the favorite to win the race.
Un parieur a misé une grosse somme sur le favori pour gagner la course.
meilleurPour désigner la personne ou la chose supérieure des deux.
In terms of comfort, the second hotel was the clear better of the two.
En termes de confort, le deuxième hôtel était de loin le meilleur des deux.
supérieursS’emploie surtout au pluriel pour parler des supérieurs sociaux ou hiérarchiques.
He was always careful to show respect to his betters.
Il faisait toujours attention à montrer du respect à ses supérieurs.
Definitions
Behaviour, actions, work, treatment, or conditions that are of a higher, more acceptable, or more satisfactory standard than what is currently present or expected.
I didn't think he would leave without telling me — I expected better of him.
Something or someone that is superior in quality, condition, or rank.
In terms of comfort, the second hotel was the clear better of the two.
One's social superiors, especially in rank or status (usually plural "betters").
He was always careful to show respect to his betters.