ness suffix

Meanings

1. 1suffix

   Added to adjectives to form nouns meaning the state or quality of being that adjective.

   Grammar: Attaches to an adjective: kind → kindness. The new noun is usually uncountable, but can be countable when referring to a particular instance or act.

   Patterns

   • adjective + ness

   Her kindness to strangers surprised everyone.

   The darkness made it hard to see the path.

   He was impressed by the smoothness of the ride.

2. 2suffix

   Used to form nouns from adjectives ending in -y, changing y to i before -ness.

   Grammar: Only for adjectives ending in a consonant + y: happy → happiness, busy → business. Do not use this rule for adjectives ending in a vowel + y (e.g., gray → grayness).

   Patterns

   • adjective ending in -y + ness

   The happiness on her face was obvious.

   Business was slow during the winter.

   His laziness annoyed his teammates.

Common combinations

happiness

Money cannot buy happiness.

darkness

The darkness fell quickly in the forest.

kindness

She showed great kindness to the lost child.

sadness

There was a deep sadness in his voice.

weakness

The team's weakness was its defense.

Synonyms and how they differ

-ity

Also forms nouns from adjectives (real → reality), but is used with different adjectives and often has a more formal or technical tone.

-tion

Forms nouns from verbs (act → action), not usually from adjectives, so it is not a direct replacement for -ness.

Word family

kindness noun

The quality of being kind.

darkness noun

The state of being dark.

happiness noun

The state of being happy.

sadness noun

The state of being sad.

weakness noun

The state of being weak; a fault.

Commonly confused: ness suffix or -ness vs -nesse?

Practice

Make it your own

Write a sentence using “ness suffix”, then check it and compare it with the examples above.

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