Translation Japanese English: 勿体ない
Dictionary: main勿体ない形容詞1 bootless, 
 fruitless, 
 futile, 
 ineffectual, 
 otiose, 
 pointless, 
 purposeless, 
 senseless, 
 sleeveless, 
 superfluous, 
 unavailing, 
 uneconomical, 
 useless, 
 vain, 
 wasted, 
 wasteful, 
 worthless.