This is the 1225th most frequent Catalan word.
definir
To define.
Here, 'definir' means to specify or clearly describe what something means.
L'autor va intentar definir els termes clau de la seva teoria.
The author tried to define the key terms of his theory.
In this sentence, 'definir' refers to explaining or stating precisely the essence of something abstract.
És difícil definir el concepte de felicitat.
It is difficult to define the concept of happiness.
Here, 'definir' is used to give a clear and explicit description of a term or idea.