indefinite expression

[/ɪnˈdɛfɪnɪt ɪkˈsprɛʃən/]
nounpl: indefinite expressions
expressão indefinida
1. A linguistic or mathematical phrase that lacks clarity, specificity, or precise boundaries; a statement whose meaning is vague or open to multiple interpretations
The phrase 'sometime soon' is an indefinite expression because it does not specify an exact time.
A frase 'em breve' é uma expressão indefinida porque não especifica um momento exato.
2. In mathematics, an expression that cannot be assigned a single definite value or is undefined
The expression 0/0 is an indefinite expression in mathematics.
A expressão 0/0 é uma expressão indefinida em matemática.
3. In grammar, a phrase using indefinite articles, pronouns, or determiners that do not refer to a specific person or thing
In 'I saw a person yesterday', the phrase 'a person' is an indefinite expression.
Em 'Vi uma pessoa ontem', a frase 'uma pessoa' é uma expressão indefinida.
This term is predominantly used in academic, mathematical, and linguistic contexts in both Brazilian Portuguese and English-speaking countries. In Brazil, it appears frequently in grammar instruction and mathematical education. The concept reflects the shared challenge across languages of expressing uncertainty and vagueness in communication.
Synonyms / Sinônimos
vague expressionambiguous statementunclear phraseindeterminate expression
Antonyms / Antônimos
definite expressionprecise statementspecific phraseexact expression

Regional Variations

General Brazilian Portuguese
expressão indefinida
Standard usage in both formal and informal contexts
Rio de Janeiro
expressão indefinida
Common in academic and technical discussions
São Paulo
expressão indefinida
Used in business and academic contexts
Portugal
expressão indefinida
Equivalent usage; sometimes 'expressão vaga' is preferred colloquially

Related Words

indefinite articleindefinite pronounvaguenessambiguityindeterminacymathematical limit

Related Idioms & Phrases

leave something up in the air (criar uma expressão indefinida)
speak in riddles (falar em expressões indefinidas)
beat around the bush (usar expressões indefinidas para evitar clareza)
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