malgastar bedeutet auf Englisch

squander [squandered, squandering, squanders]▼(to waste)
verb
[UK: ˈskwɒn.də(r)] [US: ˈskwɑːn.dər]Do not squander time, for that's the stuff life is made of. = No malgastes tu tiempo, pues de esa materia está formada la vida.

waste [wasted, wasting, wastes]▼(to squander)
verb
[UK: weɪst] [US: ˈweɪst]Don't waste my time. = No malgastes mi tiempo.

fritter [frittered, frittering, fritters]▼(to waste time)
verb
[UK: ˈfrɪ.tə(r)] [US: ˈfrɪ.tər]