most work-saving (adjective) economical: conservative with resources; careful
Detalii: economic means 'pertaining to the production and use of income' and economical is 'avoiding waste, being careful of resources'
Sinonime: blab, blather, blubber, blurt, burble, cackle, chat, chatter, gabble, go on, gossip, gush, jabber, mumble, murmur, mutter, patter, prate, prattle, rant, rave, run off at the mouth, run on, spill the beans, squeal, tal, talk foolishly, talk incoherently
Antonime: careless,
expensive, uncareful, uneconomical,
wasteful