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suffix

B1
verbnoun

Pronunciation

UK

  • /sˈʌfɪks/

US

  • /ˈsəfɪks/

Description

Imagine building with LEGO bricks. You start with a basic brick (the root word), but you can add different pieces to the end to change what it is—maybe wheels for a car or a propeller for a plane! A suffix is like one of those extra pieces added to the end of a word. It changes the meaning or how the word functions grammatically.

For example, adding "-ful" to "beauty" creates "beautiful," and adding "-ness" to "happy" makes "happiness." They are everywhere. They can turn verbs into nouns (like act + -ion = action), change a verb form (walk + -ed = walked), or help make adjectives and adverbs. Understanding them is like unlocking secret codes inside words, helping you guess what a new word means even if you have never seen it before.

Examples

  1. 1

    Adverbs

    Many English adverbs end with the suffix “-ly.”

  2. 2

    Noun formation

    Add the suffix “-ness” to make a noun, as in “kindness.”

  3. 3

    File names

    The program checks the file suffix before it opens the image.

Forms and spellings

4 forms open this card.

Main spelling

  • suffixnounverb

Forms

  • suffixespluralnounverb
  • suffixedpast tenseverbnoun
  • suffixing-ing formverbnoun