Main entry: optimistic
Definition: expecting the best in this best of all possible worlds
Usage: in an optimistic mood; optimistic plans; took an optimistic view
Antonyms: pessimistic
Definition: expecting the worst possible outcome
Antonyms: cheerless, depressing, uncheerful
Definition: causing sad feelings of gloom and inadequacy
Main entry: affirmative, optimistic
Definition: expecting the best
Usage: an affirmative outlook
Antonyms: negative
Definition: characterized by or displaying negation or denial or opposition or resistance; having no positive features
Antonyms: neutral
Definition: possessing no distinctive quality or characteristics
Antonyms: negative
Definition: reckoned in a direction opposite to that regarded as positive
Antonyms: disconfirming, negative
Definition: not indicating the presence of microorganisms or disease or a specific condition