This is the 13497th most frequent Polish word.
perfekcyjnie
Perfectly.
Here, "perfekcyjnie" is used as an adverb describing how the essay was written, denoting excellence in execution.
Napisała swoje wypracowanie perfekcyjnie.
She wrote her essay perfectly.
In this sentence, "perfekcyjnie" modifies "wykonane" (crafted), emphasizing the faultless nature of the decorations.
Perfekcyjnie wykonane dekoracje zdobiły salę.
Perfectly crafted decorations adorned the hall.
Here, "perfekcyjnie" describes the desired level of language proficiency, indicating an aim for flawlessness.