Simple Definition:

An adjective is a word that describes or modifies a noun [a person, place, thing, or idea]. It provides more information about the noun by giving details, qualities, or characteristics.

Examples:

• The blue sky made the day beautiful. (The adjective “blue” describes the noun “sky” by indicating its color)
• She is wearing a soft sweater. (The adjective “soft” describes the noun “sweater” by indicating its texture)

Very Simple Definition:

An adjective is a word that describes a noun [a person, place, thing, or idea]. It tells us more about the noun.

Examples:

• The sky is blue. (The word “blue” describes the noun “sky” by telling us its color)
• The sweater is soft. (The word “soft” describes the noun “sweater” by telling us its texture)