úderná

Úderný is a Czech and Slovak adjective meaning forceful, impactful, or striking. It describes things characterized by power, intensity, or decisiveness, such as a forceful argument or a heavy blow. Etymology: it derives from the noun úder, meaning "blow" or "strike," with the suffix -ný forming an adjective. The form declines like other Czech adjectives: úderný (masculine singular), úderná (feminine singular), úderné (neuter singular). Examples include úderný projev (a forceful speech) and úderná rána (a heavy blow).

Usage and nuance: úderný is commonly used to express strong effect or vigor in rhetoric, performance, or physical impact. It can carry positive or neutral connotations (as in a convincing, impactful argument) or negative ones (a blunt, aggressive approach) depending on context. In set phrases you may encounter úderný nástup (a forceful start) or úderná síla (great power).

See also: úder, rázný, výrazný.