Know-it-all and Smart-ass

Know-it-all noun - Someone who thinks he knows everything and refuses to accept advice or information from others.

Smart-ass and know-it-all are semantically related in one who claims full knowledge topic. In some cases you can use "Smart-ass" instead a noun phrase "Know-it-all". popular alternative

Smart-ass adjective - Making light of something usually regarded as serious or sacred.

Know-it-all and smart-ass are semantically related in smart aleck topic. You can use "Know-it-all" instead a noun phrase "Smart-ass", if it concerns topics such as person making wise remarks. popular alternative