If ever you wanted a nice, non invasive and light (12 Mb) Arabic dictionary in addition to being فصحى fushaa, download

Arabic Dictionary by Mohammad Asif

on the play store.

Simple, first screen you can start typing.

No need to choose English or Arabic, automatically detected.

Trying Arabic

After clicking on a word you get some additional info

Trying English

Trying compound :

هدف + ك

your aim

result nice :

Conclusion : According to me, it’s the best and most ‘clean’ dictionary app available around !