niedostatecznie

In a sentence

• Otrzymał ocenę niedostateczną z matematyki.

  He received an insufficient grade in mathematics.

  Here, 'niedostateczną' refers to a specific type of academic grade, describing its insufficiency or poor quality.

• Niedostatecznie przygotowałem się do egzaminu.

  I prepared insufficiently for the exam.

  In this sentence, 'niedostatecznie' functions as an adverb describing the inadequate manner of preparation.

• Projekty zostały wykonane niedostatecznie, wymagały dodatkowej pracy.

  The projects were executed insufficiently and required additional work.

  Here, 'niedostatecznie' is used as an adverb to qualify the manner in which the projects were executed, emphasizing their need for improvement or incompleteness.