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erratic behavior

[ɪˈrætɪk bɪˈheɪvjər]
nounpl: erratic behaviors
comportamento errático
1. unpredictable and inconsistent behavior that lacks a clear pattern or reason
His erratic behavior worried his family, as he would alternate between extreme happiness and deep sadness.
Seu comportamento errático preocupava sua família, pois ele alternava entre alegria extrema e tristeza profunda.
2. conduct that deviates from normal, expected, or rational patterns
The employee's erratic behavior made it difficult for coworkers to trust him.
O comportamento errático do funcionário tornava difícil para seus colegas confiar nele.
NYC Slang
off-the-wall behavior; acting crazy; buggy
Synonyms
unpredictable behaviorinconsistent behaviorunstable behaviorirregular behavioreccentric behaviorcapricious behavior
Antonyms
consistent behaviorpredictable behaviorstable behaviorrational behaviorcontrolled behavior

Regional Variations

General Brazilian
comportamento errático
standard usage in formal and informal contexts
São Paulo
comportamento errático; comportamento maluco
common colloquial alternative
Rio de Janeiro
comportamento errático; jeito estranho
often described more casually as 'jeito estranho'
Portugal
comportamento errático; comportamento instável
standard usage; 'comportamento instável' also common

Related Idioms & Phrases

all over the place
all over the map
up and down
here, there, and everywhere
acting out of character
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