Meaning ofslag offin English

Verb

1. to insult someone behind their back; gossip
   They slagged her off when she left the room.
   Synonyms:

   badmouthgossipslanderdefamedisparagevilifytrash
   Antonyms:

   praisecommendlaudextolacclaim
2. to speak disrespectfully to someone's face
   The bully slagged off the new student in front of everyone.
   Synonyms:

   dissbadmouthtrashdisparagerevileabuseinsult
   Antonyms:

   praisecommendcomplimentextollaud