Badass

Exceptionally tough, capable, or impressive in a forceful way.

Reach for it when giving exuberant informal praise for skill joined with nerve

Her badass repair in the final minute kept the research vessel running.

• playful

  hardcore

  extreme commitment fits a subcultural or joking voice

  not when Hardcore can sound aggressive and may be unclear outside informal groups.

• everyday

  tough

  durability under hard conditions matters

  not when Tough is flatter and may miss the flash of exceptional performance.

• warm

  fearless

  visible freedom from fear is the main praise

  not when Skill and effectiveness are not guaranteed by fearlessness.

• professional

  impressive

  neutral admiration suits a broad audience

  not when The word loses the rebellious energy carried by badass.

• formal

  formidable

  ability or presence commands serious respect

  not when Formidable can suggest intimidation rather than affectionate admiration.

• formal

  masterful

  expert control of a difficult task deserves emphasis

  not when Masterful does not convey physical toughness or defiant style.

• timid
• ineffectual
• unimpressive

• badass leader

  The badass leader carried equipment beside the newest volunteers.

• badass performance

  Her badass performance combined precision with complete calm.

• badass move

  Fixing the leak without delaying the clinic was a badass move.

Badass is slang and can be mildly profane. It is unsuitable for formal praise, children, or readers who may hear aggression rather than admiration.