In the lower right hand corner of each set (Definitions, Antonyms, and Synonyms), there is a "Choose a Study Mode" drop down box. Play around with all of the different options. Also, don't forget that the settings can be adjusted by clicking on the white wheel (just above the drop down box).
Flocabulary Unit 4: Chad and the Little Horse: Definitions
Flocabulary Unit 4: Chad and the Little Horse: Antonyms
Flocabulary Unit 4: Chad and the Little Horse: Synonyms