Synonyms: attention-getting, catchy
Definition: likely to attract attention
Usage: a catchy title for a movie
Similar words: appealing
Definition: able to attract interest or draw favorable attention
Usage: He added an appealing and memorable figure to popular American mythology- Vincent Starrett; an appealing sense of humor; the idea of having enough money to retire at fifty is very appealing
Definition: having concealed difficulty
Usage: a catchy question; a tricky recipe to follow
Similar words: difficult, hard
Definition: not easy; requiring great physical or mental effort to accomplish or comprehend or endure
Usage: a difficult task; nesting places on the cliffs are difficult of access; difficult times; why is it so hard for you to keep a secret?