It's important to note that "-ly" is often used to form adverbs from adjectives. In this case, "lonely" is an adjective, and adding "-ly" creates the adverb "loneliness," which describes how someone feels or the state of being alone.
It's important to note that "-ly" is often used to form adverbs from adjectives. In this case, "lonely" is an adjective, and adding "-ly" creates the adverb "loneliness," which describes how someone feels or the state of being alone.