This is the 165th most frequent Portuguese word.
alta
"Alta" in Portuguese means "high" or "tall" in English.
'Alta' is used to indicate a high level or demand in a context.
A demanda por imóveis está em alta.
The demand for real estate is high.
'Alta' modifies the noun to convey height in the context of heels.
Ela está usando um salto alto.
She is wearing high heels.
'Altas' as a plural form describes high values or numbers, referring to temperature levels.