adj
Meaning 1
optimistic
Definition source: English Wiktionary via Wiktextract
Usage: idiomatic, not-comparable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
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adj
optimistic
Definition source: English Wiktionary via Wiktextract
Usage: idiomatic, not-comparable
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
From the expression Is the glass half empty or half full?, the answer to which is said to determine whether a person is optimistic or pessimistic.