Chimerically is an adverb used to describe something that is unrealistically or fantastical. Some synonyms for chimerically include imaginatively, fantastically, mythical, and surrealistically. Another synonym for chimerically is whimsically, which can suggest a lightheartedness or playfulness. Other synonyms for chimerically can include fancifully, unrealistically, and delusionally. When used in literature or creative writing, chimerically might describe a dream-like or imaginative setting or character. Ultimately, chimerically implies something that is not in touch with reality, and any synonym for the word will reflect this fantastical and imaginative feeling.