skuteczny

Skuteczny is a Polish adjective meaning effective or successful in achieving a desired result. It is used to describe people, methods, medicines, or actions that work as intended. The related noun is skuteczność (effectiveness), and the adverb is skutecznie (effectively).

Origin and forms: The word derives from the noun skutek (effect, consequence) with the suffix -czny, yielding “having effect.” Like other Polish adjectives ending in -czny, it agrees with the noun it modifies in gender, number, and case: masculine nominative singular skuteczny; feminine singular skuteczna; neuter singular skuteczne; plural forms include skuteczni (masculine personal) and skuteczne (non-masculine).

Usage and nuance: In everyday Polish, skuteczny conveys practical success and the ability to produce the intended result. It is commonly used for medicines and interventions (skuteczny lek, skuteczna metoda) as well as strategies, campaigns, or actions that deliver outcomes. It is not always interchangeable with efektywny; skuteczny emphasizes achieving a goal, while efektywny stresses efficiency or performance.

Examples: Ten lek jest skuteczny w leczeniu tej choroby. To był skuteczny sposób na rozwiązanie problemu.

See also: skuteczność, skutecznie, efektywność.