The English term "lifeless, tiresome, monotonous" matches the Dutch term "saai"

other english words that include "lifeless" : dutch :
lifeless, dispassionately, apathetic lusteloos
other english words that include "tiresome" : dutch :
tiresome, apathetic melig
tiresome, leather taai
tiresome vermoeiend
other english words that include "monotonous" : dutch :
monotonous eentonig
monotonous monotoon