deeply (adv.)
- acutely
- completely
- deep
- emotionally
- entirely
- extremely
- gravely
- greatly
- heavily
- intensely
- irrevocably
- keenly
- passionately
- powerfully
- profoundly
- seriously
- severely
- strongly
- thoroughly
- unreservedly
Blue, darkly, deeply, beautifully blue.
Oh "darkly, deeply, beautifully blue!"
As some one somewhere sings about the sky.