We use un- to form negative adjectives, adverbs and nouns.

Forming Negatives with 'un-'

The prefix 'un-' is used to create negative forms of words, changing their meaning to the opposite. This prefix can be added to adjectives, adverbs, and nouns.

Examples:

• Adjective: happy -> unhappy
• Adjective: kind -> unkind
• Adjective: able -> unable
• Adverb: fortunately -> unfortunately
• Noun: employment -> unemployment