fast

rapide

Capable de se déplacer ou de faire quelque chose en peu de temps.

En anglais simple : Able to move or do something in a short time.

• This is a fast train.
• We need a faster internet connection.
• Is your new computer fast enough?

Synonymes : quick, rapid, speedy

Contraires : slow

Expressions courantes : a fast car, fast internet, a fast runner, fast trains

fidèle

Qui reste proche et fidèle à quelqu’un, surtout en amitié.

En anglais simple : Remaining close and loyal to someone, especially as a friend.

• They soon became fast friends.
• She remained his fast friend throughout the difficult years.
• The two neighbors have been fast friends since childhood.

Synonymes : loyal, faithful, steadfast

Expressions courantes : fast friends, a fast friend

jeûne

Période durant laquelle on choisit de ne pas manger, souvent pour des raisons religieuses ou de santé.

En anglais simple : A period when someone chooses not to eat, often for religious or health reasons.

• Her fast lasted one day.
• They broke their fast at sunset.
• The test requires an overnight fast.

Expressions courantes : break a fast, a religious fast, an overnight fast

vite, rapidement

À grande vitesse ou en peu de temps.

En anglais simple : At a high speed or in a short time.

• He runs very fast.
• You drove too fast on that narrow road.
• How fast can you type?

Synonymes : quickly, rapidly

Contraires : slowly

Expressions courantes : run fast, work fast, too fast

fermement, solidement

De façon solide, sans pouvoir bouger ni se détacher.

En anglais simple : Firmly or securely, so that someone or something cannot move or come loose.

• Hold fast to the rope.
• The boat was stuck fast in the mud.
• She tied the gate fast before the storm.

Synonymes : firmly, securely, tightly

Contraires : loosely

Expressions courantes : hold fast, stuck fast, tied fast

jeûner

Choisir de ne pas manger pendant un temps, souvent pour des raisons religieuses ou de santé.

En anglais simple : To choose not to eat for a period, often for religious or health reasons.

• They fast during Ramadan.
• I fasted before my blood test.
• How long do you need to fast?

Comment l'utiliser : fast for a period (She fasted for twelve hours before the test.); fast during something (Many Muslims fast during Ramadan.)

Expressions courantes : fast for something, fast during ramadan, fast before something

faire jeûner

Faire rester une personne ou un animal sans manger pendant un certain temps.

En anglais simple : To make a person or animal go without food for a period.

• The vet fasted the dog overnight.
• The team fasted the animals before the procedure.
• Patients were fasted for several hours before surgery.

Expressions courantes : fast an animal, fast a patient