HomeLanguage & LinguisticsEtymology & SemanticsWhat is Suffix?
Language & Linguistics·1 min·Updated Mar 16, 2026

What is Suffix?

Suffix

Quick Answer

A suffix is a group of letters added to the end of a word to change its meaning or grammatical function. For example, adding '-ly' to 'quick' turns it into 'quickly', which describes how something is done.

Overview

A suffix is an important part of language that helps to modify words. By adding a suffix, we can change a word's tense, turn a noun into an adjective, or create an adverb. For instance, the suffix '-ness' can be added to 'happy' to form 'happiness', which conveys a state of being rather than just an emotion. Suffixes can also provide clues about the origin of a word, which is where etymology comes into play. Many English suffixes come from Latin or Greek roots, and understanding these can help us decode unfamiliar words. For example, the suffix '-ology' means 'the study of', as seen in words like 'biology' or 'psychology', indicating a field of knowledge. Understanding suffixes is essential for improving vocabulary and comprehension. It allows us to expand our language skills and communicate more effectively. In everyday conversation, recognizing suffixes helps us understand the nuances of words, enhancing both speaking and writing abilities.


Frequently Asked Questions

Common suffixes include '-ing', '-ed', '-er', and '-est'. These can indicate ongoing action, past tense, a person who performs an action, or the highest degree of comparison.
Suffixes can change a word's meaning significantly. For example, adding '-ful' to 'care' creates 'careful', which means full of care, while '-less' creates 'careless', meaning without care.
Yes, suffixes can change a word's part of speech. For instance, adding '-ly' to an adjective like 'quick' turns it into an adverb 'quickly', changing how the word functions in a sentence.