This is the 5308th most frequent Portuguese word.
raro
Rare.
adjective describing something uncommon or unusual
Encontrei um pássaro raro na floresta.
I found a rare bird in the forest.
adjective indicating infrequency or rarity in occurrence
É raro ver um arco-íris tão vívido.
It is rare to see such a vivid rainbow.
adjective emphasizing scarcity or exceptionalness.