EAGER (adjective) definition and synonyms | Macmillan Dictionary.

Is eagerness an adjective or adverb?

eagerly adverb - Definition, pictures, pronunciation and usage notes | Oxford Advanced Learner's Dictionary at OxfordLearnersDictionaries.com.

What type of word is eagerness?

keen or ardent in desire or feeling; impatiently longing: I am eager for news about them. He is eager to sing. characterized by or revealing great earnestness: an eager look.