This is the 3980th most frequent Japanese word.
ズバ
"ズバ" is an onomatopoeia expressing something being done decisively, directly, or sharply.
ズバリ is used as an adverb to indicate precision or hitting the mark directly.
彼の言葉はズバリ本質をついている。
His words hit straight to the essence.
ズバッと is used as an adverb indicating a sharp or sudden manner or action.
その質問にズバッと答えを返した。
He gave a direct answer to the question.
ズバズバ is used repetitively to intensify the action associated with directness or straightforwardness.