overoptimistic

Too rosy-eyed

Overoptimistic describes expectations or attitudes that are too hopeful given the circumstances.

An overoptimistic forecast ignores likely obstacles; an overoptimistic investor underestimates risk.

The word implies that reality will probably disappoint: The deadline was overoptimistic from the start.

naivete

pollyannaish

Unrealistically positive in outlook

trusting · starry-eyed · wide-eyed · innocent · unworldly · inexperienced · green · callow · unseasoned · childlike

unrealistic

wishful thinking

Belief shaped by desire

illusory · unfeasible · unattainable · overambitious · pie-in-the-sky · unrealizable · castle in the air · fantasy · overconfident · misguided

idealism

utopian

Impractically perfect in conception

hopeful · sanguine · rosy · bright-eyed · sunny · buoyant · enthusiastic · idealist · aspirational · bullish

disappointment

letdown

Failure to satisfy expectations

dashed hopes · anticlimax · disenchanted · discouraged · rude awakening · reality check · comedown · burst bubble · disillusioned · disheartened

Opposites
expectation valence

overoptimisticpessimistic

Expecting negative outcomes

overpessimistic · defeatist · fatalistic · cynical · glass-half-empty

realism/calibration

overoptimisticrealistic

True to life

clear-eyed · pragmatic · sober · level-headed · grounded

Family

optimism, optimistic, pessimistic, optimist, optimal, optimum, optimize, optimality, overoptimism

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Top 50,000
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Used worldwide · Timeless · Abstract · Everyday, not technical · Rated G