This is the 1756th most frequent Spanish word.
profesional
"Professional" – relating to or belonging to a profession; skilled and competent in a particular activity.
In this sentence, "profesional" acts as an adjective describing the high quality and competence of the work performed.
El trabajo realizado por ella fue muy profesional.
The work done by her was very professional.
Here, "profesional" is used as a noun to denote a person who has expertise and works in a specific field or profession.
Mi hermano es un profesional en diseño gráfico.
My brother is a professional in graphic design.
In this use, "profesional" is applied as an adjective to describe a demeanor or approach associated with qualities such as responsibility and expertise.