clannishly

/ˈklænɪʃli/
adverb
  1. In a way that shows strong loyalty to one's own group and excludes outsiders.
    • They clannishly stuck together, never inviting others to join their table.
    • The group clannishly refused to share their resources with anyone else.
    • The family clannishly kept their traditions secret from the rest of the town.
Antonyms
What does "clannishly" mean? | whatsthatwordmean | whatsthatwordmean