adverb, adverb taking the 'to' particle
perfectly; spot on; right on the mark
Describes something being exactly right, fitting perfectly, or hitting the target precisely. Often used for timing, appearance, or answers.
My makeup turned out perfect today.
That answer was spot on.
今日の服はバッチリ決まってるね。
Your outfit today is perfectly put together.
adverb, adverb taking the 'to' particle
thoroughly; completely; sufficiently
Indicates that something is done fully, enough, or to a satisfactory degree. Often used with verbs of preparation, study, or eating.
試験の前はバッチリ勉強した。
I studied thoroughly before the exam.
もうバッチリ食べたから大丈夫。
I've already eaten plenty, so I'm fine.
このネクタイはスーツにバッチリ合う。
This tie matches the suit perfectly.
I thoroughly prepared for the exam.
I've memorized the kanji completely, so I feel confident about the test.
完璧 is a more formal, written-style word for 'perfect', while バッチリ is a casual, spoken-style word with the same 'spot on' feel.
Common katakana spelling for this mimetic adverb.
Hiragana spelling, also widely used.
A mimetic word, likely derived from the sound-symbolic element ばち (indicating a sharp, decisive action) combined with the adverbial suffix り. The exact origin is uncertain.