This is the 10970th most frequent Portuguese word.
interino
"Interino" means "temporary" or "acting," referring to someone or something serving in an interim capacity.
In this sentence, 'interino' is used as an adjective describing a temporary role or position, specifically referring to the teacher substituting.
O professor interino assumirá as aulas durante a ausência do titular.
The interim teacher will take over the classes during the absence of the regular one.
Here, 'interino' qualifies the director's temporary status, indicating they are temporarily holding the position.
O diretor interino decidiu adotar novas políticas para a escola.
The interim director decided to implement new policies for the school.
In this case, 'interino' functions substantively, used as a noun to indicate the person temporarily occupying the presidential role.