First, highest, or foremost in importance, rank, worth, or degree; chief.
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principally [ºÎ] principalship [¸í]
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1. a principal cause of his failure (±×°¡ ½ÇÆÐÇÑ ÁÖ¿ä ¿øÀÎ) 2. the principal of business (»çÀå) 3. the principal sum (¿ø±Ý) 4. a principal verb (ÁÖµ¿»ç) 5. principal and interest (¿ø¸®)