This is the 2707th most frequent Portuguese word.
profundidade
Depth.
In this sentence, 'profundidade' is used to refer to the physical measurement of depth in a natural context (the ocean).
A profundidade do oceano é impressionante.
The depth of the ocean is impressive.
Here, 'profundidade' metaphorically represents intellectual or emotional depth—insightfulness and complexity of ideas.
Ele mostrou profundidade em suas ideias durante a palestra.
He showed depth in his ideas during the lecture.
In this usage, 'profundidade' refers to the level of thoroughness or comprehensiveness applied to the analysis.