Adjectives are descriptive words used to describe nouns. So essentially, adjectives add extra details to people, places, objects, animals, and 'things.'
Adjectives are your first step to making your writing more engaging and interesting. Compare the two sentences below (the nouns have been put in italics for you to see what the adjectives are describing and the adjectives are in bold):
As well as ensuring that you include adjectives, make sure your adjectives match the atmosphere that you're creating. If you're trying to create a happy, joyous scene, do you really want to include adjectives like 'perilous' and 'bitter'?