adverb, verb, particle · very; used for emphasis or to express a high degree, often in the '太...了 le' construction

他的中文说得太好了！

adverb, adjective, idiom, punctuation, modal particle, particle, noun, verb · to an excessive degree

这件衣服太贵了。

noun · highest in rank, seniority, or degree; greatest

在古代官职中，‘太’通常代表最高的等级。