What Is a Suffix? Definition, Examples & How to Use It Correctly

Logan Tyler Murphy • 2026-05-14 • Reviewed by Ethan Collins

Three numbers, one takeaway: suffixes are workhorses that let English speakers create thousands of words from a limited set of roots. The table below shows the core facts every learner should know.

What is a suffix?

Definition of a suffix in linguistics

• A suffix is an affix placed after the stem of a word (Grammarly (online grammar resource).
• Common examples include -ed, -ing, -ing, -ly, -tion, -s, -er, -est.
• Suffixes can change grammatical category (e.g.̃ teach → teacher).

< The concept is straightforward: you take a root word, attach a suffix, and get a new word with a related but distinct for instance, "joy" plus "-ful" gives "joyful," meaning "full of joy."

How suffixes change word meaning

• -ful means “full of” (wonderful, thankful)
• -less means “without” (countless, hopeless)
• -er can mean “one who” or “more” (teacher, sweeter) (Around the (resource))
• -est means “the most” (biggest,est>

p> — Merriam-Webster Dictionary

The implication: learning a handful of suffixes can double or triple your passivevocabulary. Once you know that “-ness” means “state of being,” you can understand “illness,” “freshness,” andwithout needing definitions.

More related posts

How to Reduce Stress Naturally: Physical Symptoms & Quick Relief Canada Election Results CBC – Liberals Secure Majority Government Roger Waters: Pink Floyd Breakup, Net Worth, and Genius Debate George Bush: 41st and 43rd Presidents Explored Richard Ramirez Death: Latest Verified Info on Night Stalker Air Canada Flight Tracker: Live Status & Maps Remove Watermark from Video: Free Online Tools Compared Gabriel Iglesias: Split, Sobriety, and $250k Fine


About the author

Logan Tyler Murphy

Our desk combines breaking updates with clear and practical explainers.