pessimistic Antonyms

optimistic happy as a clam happy as a lark heartening in high spirits like a dog with two tails Over the Moon pollyannaish pleased as punch euphoric rosy chirpy sanguine thrilled wrapped overjoyed at peace good-humoured upbeat walking on air popeyed positivistic rose-tinted beside oneself with joy blissed out blissfully happy delirious with happiness full of vim and vigour in a good mood jumping for joy tickled to death beside oneself with happiness as merry as a grig as lively as a grig spacy starry-eyed tickled pink on cloud seven as pleased as punch absolutely delighted absolutely happy as happy as a clam at high tide without a care in the world rose-colored affirmatory delirious ecstatic enchanted encouraging enraptured