Grim:Delightful::Dither:

Cry Refer Decide Defer

Decide

The word that best completes the analogy grim:delightful::dither:__ is decide. Grim means dark, gloomy, or threatening. Delightful means causing great pleasure or joy. Dither means to be unable to make a decision or to be undecided. Decide means to make up one's mind about something.