noun
performance, achievement, service
B1
Leistung (die) mainly means performance (quality or output), achievement (accomplishment) and service/benefit in contexts like social benefits. It's a feminine noun with plural Leistungen. Common collocations: Leistung erbringen (to deliver performance). No irregular plural beyond regular -en. Used in work, sports and technical contexts.
Examples
Die Leistung ist gut.
The performance is good.
Der Trainer lobte die Leistung der Spieler, weil sie im Spiel überraschend gut spielten.
The coach praised the players' performance because they played surprisingly well in the match.
Seine Leistung im Test war sehr gut.
His performance on the test was very good.
Details
Mnemonics
Think of a medal for an achievement (a 'Leistung' rewarded).
sounds like 'lay-stung' — imagine laying down a strong result
die Leistung — feminine: imagine the medal ribbon as 'die' ribbon (ends in -ung, many -ung nouns are die)
Notes
Leistung is a common noun for results, output, or services (especially in professional or technical contexts). Many nouns ending in -ung are feminine in German.