Dictionary Pro is the premium version of the Free Dictionary application, which presents the offline dictionary and the thesaurus content without ads. This is what you get:
# Voice search. Just say the word to find it.
# Save the markers and synchronize them with all your devices.
# Look up the definition of any word on the page.
# Customize your home page: add or remove items,
# Advanced searches.
# Jump to definition, thesaurus or translations
# Adjust the font size.
# Use the multilingual interface to navigate
# Share your favorite words through social networks,
# Do you want the definition of a word in another application?