suspeitos

In a sentence

• Os suspeitos foram interrogados pela manhã.

  The suspects were interrogated in the morning.

  Here, 'suspeitos' functions as a noun, referring to individuals under suspicion in some legal or investigative context.

• Há elementos suspeitos naquela história que ela contou.

  There are suspicious elements in the story she told.

  In this case, 'suspeitos' is used as an adjective, describing the elements of the story as being questionable or dubious.

• Eles olharam com olhos suspeitos para o estranho na sala.

  They looked with suspicious eyes at the stranger in the room.

  Here, 'suspeitos' modifies the noun 'olhos' (eyes), characterizing them as expressing suspicion.