prefix

• Nom désignant un affixe placé au début d'un mot pour en modifier le sens ou pour créer un nouveau mot, ou plus généralement tout élément initial ajouté à un terme.

A noun referring to an affix placed at the beginning of a word to modify its meaning or create a new word.

1. Affix added to the beginning of a wordB1formal

   A letter or group of letters placed at the start of a word to change its meaning or create a new word.

   préfixe (grammatical)

   • The prefix 'un-' in 'unhappy' means 'not'.
   • Adding the prefix 're-' to 'do' creates 'redo', meaning to do again.
   • The word 'preview' uses the prefix 'pre-', meaning before.

   Antonymessuffix

• Verbe signifiant ajouter une lettre, une syllabe ou un mot au début d'un autre mot, ou ajouter quelque chose en guise d'introduction.

A verb meaning to add a letter, syllable, or word at the beginning of another word, or to add something as an introduction.

1. Attach a prefixB2formal

   To add a letter, syllable, or group of letters at the beginning of a word to change its meaning.

   Préfixer

   • In English, we often prefix 'un-' to adjectives to make them negative.
   • You can prefix 're-' to many verbs to indicate doing something again.
   • The teacher explained how to prefix 'dis-' to form antonyms.

   Synonymesprepose