Multiple choice Directions: Choose the opposite of the given word: Blithe Uptight Casual Amiable Happy-go-lucky Unconcerned Reveal answer Fill a bubble to check yourself A Correct answer Explanation Blithe means carefree, cheerful, and happy-go-lucky without worry. Uptight is the opposite, meaning tense, anxious, or overly concerned with rules. Casual, Amiable, Unconcerned, and Happy-go-lucky are all similar to blithe.