(いば)

いばる
verb (godan)
to swagger, to be bossy, to act big
1. to swagger, to be bossy, to act big
To behave in an arrogant or domineering way, putting on an air of authority or importance. Implies looking down on others or throwing one's weight around. Almost always used with negative connotations.
そんなに威張(いば)るな。
Don't be so bossy.
(かれ)部下(ぶか)威張(いば)ってばかりいる。
He does nothing but boss his subordinates around.
(すこ)出世(しゅっせ)したからといって威張(いば)っている(ひと)は、(まわ)りから(きら)われやすい。
People who act big just because they got a small promotion tend to be disliked by those around them.

PARTICLE PATTERNS:

  • 〜に威張(いば)る: to boss around (someone), to act big toward
  • 威張(いば)って: acting bossy, swaggering (te-form as adverbial)

COMMON COLLOCATIONS:

  • 威張(いば)()らす: to throw one's weight around (intensified)
  • (おお)きな態度(たいど)威張(いば)る: to act arrogant with a big attitude
  • 威張(いば)ってばかりいる: to be always acting bossy

USAGE:
Almost always negative. Not used for legitimate authority being exercised properly — only for arrogant or domineering behavior. Common in describing workplace bullies, self-important officials, or children bossing others around.