adjectival nouns or quasi-adjectives (keiyodoshi), noun (common) (futsuumeishi)
1. convenient; useful; handy; helpfulnoun (common) (futsuumeishi), noun or participle which takes the aux. verb suru, transitive verb
2. finding useful; coming in handy; using oftennoun (common) (futsuumeishi)
3. (priceless) treasure