1. Grim: This word describes the "grim, ungainly, ghastly, gaunt, and ominous bird of yore." It implies something sinister, forbidding, and foreboding.
2. Night: The poem takes place at night, and "night" is repeatedly used to emphasize the dark, mysterious atmosphere. Night is often associated with fear, uncertainty, and the unknown.
3. Mournful: The speaker describes the raven's "mournful and never-ending" tone. This word suggests sadness, grief, and a sense of loss.
4. Dreary: The speaker describes his "dreary" state, indicating a feeling of hopelessness, boredom, and despair.
5. Nevermore: This word, uttered by the raven, encapsulates the poem's theme of loss and the inability to escape grief. It conveys a sense of finality, futility, and despair.