waste    kwāya
(one's time) gukinanga
En-En dictionary 
waste away   (to ~ from illness) kwīraburanirwa
En-En dictionary 
time    umwānya, ikibariro, igihe, amango
(another ~) ubundi
(a short time) akanya
(the very last) ubuherūka
(of finishing or attaining something) ikirīngo
(God's time) igihe c'imana
(for planting small grain) ibiba
(to set a ~, to do something at a ~) guhēnga
(to set, measure, await a fixed ~) kugerereza
(to spend ~ together) kumarana
(to waste one's ~) gukinanga
(how many ~) kangahe?
(many times) kēnshi
(no time) nta umwanya, ntamwanya
(number of times) ibihetangabo, e.g. seven times – ibihetangabo ndwi
En-En dictionary 
gukinanga (-kinanze)     v    to waste one's time
kwīraburanirwa (-īraburaniwe)     v    1. to be pale, 2. to be emaciated, 3. to waste away from illness
kunebwēsha (-nebwēsheje)     v    to make lazy, cause to waste time
kwāya (-āye)     v    1. to waste, 2. to consume uselessly
 waste found in: Kirundi II (Grammar)
chapter 26   Special Verb Endings