This is the 376th most frequent Portuguese word.
menor
Smaller; minor; younger.
Here, 'menor' is used as a comparative adjective meaning 'shortest' or 'smallest' in size or height.
Ela é a menor da turma.
She is the shortest in the class.
In this sentence, 'menor' is used to express a lower degree of importance in a figurative context as a comparative adjective.
Este problema é de menor importância.
This problem is of lesser importance.
In this context, 'menor' implies 'younger than', demonstrating its use to establish an age limit or belonging to a lower age group.