pessimistic Antonyms

optimistic sanguine happy as a lark heartening in high spirits like a dog with two tails Over the Moon pollyannaish pleased as punch happy as a clam euphoric thrilled wrapped overjoyed at peace good-humoured upbeat walking on air chirpy 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 starry-eyed tickled pink on cloud seven as pleased as punch absolutely delighted absolutely happy as happy as a clam at high tide as lively as a grig without a care in the world rosy rose-colored delirious ecstatic enchanted encouraging enraptured enthusiastic exultant