Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun waster

2 senses of waster

Sense 1
wastrel, waster -- (someone who dissipates resources self-indulgently)
       => prodigal, profligate, squanderer -- (a recklessly extravagant consumer)

Sense 2
destroyer, ruiner, undoer, waster, uprooter -- (a person who destroys or ruins or lays waste to; "a destroyer of the environment"; "jealousy was his undoer"; "uprooters of gravestones")
       => bad person -- (a person who does harm to others)