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noun

suffix

SUF-iks

Suffix (noun) means a group of letters added to the end of a word to change its meaning or its grammatical role, such as -ness in kindness or -ed in walked. Example: “Adding the suffix -less turns hope into hopeless.”

noun
1
A group of letters added to the end of a word to change its meaning or its grammatical role, such as -ness in kindness or -ed in walked.
"Adding the suffix -less turns hope into hopeless."
"Most English adverbs are formed with the suffix -ly."
2
A short addition placed after a person's name or a code, such as Jr., PhD, or the numbers appended to a reference number.
"Enter your surname, then any suffix such as Jr. or III."
"Each invoice number carries a two-digit branch suffix."
verb
1
To add something to the end of a word, name or string.
"The system suffixes the file name with the date it was saved."

How to use suffix

Learner’s notes

In plain EnglishA word ending that changes what the word means or how it is used.

When to use it

Neutral; standard in grammar teaching and on official forms alike.

Memory tip

Suffixes often change word class: -ly makes adverbs, -ness and -tion make nouns, -ful and -less make adjectives.

Trace the full origin ↓
Easily confused with
Common pairings
common suffixes name suffix suffix -ing add a suffix
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Fill the gap

Can you complete this real example?

Adding the _____ -less turns hope into hopeless.

Etymology

From Latin suffixus "fastened underneath or after", the past participle of suffigere, from sub- "under, after" and figere "to fasten".

Origin: Latin

ending affix word ending

Antonyms

Related words

Frequently asked questions

What is the difference between a prefix and a suffix?

A prefix goes at the front of a word and usually changes its meaning — un- in unhappy. A suffix goes at the end and often changes the part of speech as well as the meaning — -ness turns the adjective happy into the noun happiness.

What is the difference between a suffix and an affix?

Affix is the umbrella term for anything attached to a word to modify it. Prefixes, suffixes and infixes are all types of affix; a suffix is specifically the kind that attaches to the end.

What does suffix mean on a form?

It means the title or generation marker that follows your name, such as Jr., Sr., II, III, or a qualification like MD or PhD. If none applies, the field is left blank.

What is the meaning of suffix?

"suffix" (noun) means a group of letters added to the end of a word to change its meaning or its grammatical role, such as -ness in kindness or -ed in walked.

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Definitions: FreeDict original editorial · etymology from FreeDict original editorial