WordWeb Online

1. In accordance with truth or fact or reality
   "she was now truly American"
   - genuinely, really, veritably
    
2. By right
   - rightfully
    
3. With sincerity; without pretence
   "we are truly sorry for the inconvenience"
   - sincerely, unfeignedly
    
4. In fact (used as intensifiers or sentence modifiers)
   "a truly awful book"
   - in truth, really

See also: true

Encyclopedia: Truly,Madly,Deeply Vale Truly Truly, Madly, Bletchley Truly, Madly, Deeply Vale Truly, Madly, Deeply