절약해요 · 절약했어요 · 절약할 거예요 · 절약하세요
to save, to economize, to conserve
Example
물을 절약하기 위해 샤워 시간을 줄였어요.
I cut my shower time to save water.
Word parts
절 moderate+약 restrain
Literally 'moderate and restrain' your use.
Good to know
Pronounced [저랴카다]; 절약 is using less, while 저축 is putting money away.