ded ‧ i ‧ ca ‧ tion /ˌdedəˈkeɪʃ ə n, ˌdedɪˈkeɪʃ ə n/ BrE AmE noun
1 . [uncountable] hard work or effort that someone puts into a particular activity because they care about it a lot:
To reach a high level of skill requires talent, dedication, and a lot of hard work.
dedication to
I admire his dedication to the job.
2 . [countable] an act of dedicating something to someone, or a ceremony where this is done
3 . [countable] the words used at the beginning of a book, film, or piece of music, thanking someone or saying that book etc has been written to show respect for them