1. A person given to excessive complaints and crying and whining
   "The constant sniveller annoyed his coworkers with trivial grievances";
   - whiner, complainer, moaner, crybaby [informal], bellyacher [informal], grumbler, squawker, sniveler [US], whinger [Brit, informal], griper
    
2. A person who breathes audibly through a congested nose
   "The sniveller reached for another tissue to blow his nose";
   - sniffler, sniveler [US]

Derived forms: snivellers

Type of: actor, disagreeable person, doer, unpleasant person, worker