This is the 13737th most frequent German word.
energische
Energetic; assertive.
Here, 'energischen' is an adjective modifying 'Entschlossenheit,' describing determination as vigorous or forceful.
Sie verfolgt ihre Ziele mit einer energischen Entschlossenheit.
She pursues her goals with an energetic determination.
In this sentence, 'energischer' is an adjective describing 'Start,' indicating the manner as lively or dynamic.
Ein energischer Start in den Tag hilft, produktiv zu sein.
An energetic start to the day helps to be productive.
The usage of 'energische' as an adjective for 'Einsatz' conveys action performed with vitality and robustness.