anstrengender
Anstrengender is the comparative form of the German adjective anstrengend, meaning exhausting or strenuous. It is used to compare the level of effort, difficulty, or fatigue involved in tasks, days, or experiences.
In usage, anstrengend describes something that requires substantial effort, either physically or mentally. It is declined
Etymology and related terms: anstrengend derives from the verb anstrengen, meaning to strain or exert oneself,
Usage notes: In formal writing, more precise terms may be appropriate, such as fordernd (demanding) or belastend