ばりばり

vigorously (ripping, tearing, scratching, etc.); roughly; with a rip

Also:stiff, (working) hard, with a series of loud, repeated sounds (e.g. firing a machine gun, revving an engine)

AdverbJLPT N1

What does ばりばり mean?

ばりばり is a Japanese adverb meaning “vigorously (ripping, tearing, scratching, etc.); roughly; with a rip” in English. It can also be translated as “stiff, (working) hard, with a series of loud, repeated sounds (e.g. firing a machine gun, revving an engine)” depending on context. It is written as ばりばり in hiragana, and baribari in romaji. This word is part of JLPT N1 vocabulary.