confident

Từ điển American Heritage Dictionary 4th

con·fi·dent (kŏnʹfĭ-dənt)adj.
1. Marked by assurance, as of success.
2. Marked by confidence in oneself; self-assured. See Synonyms at sure.
3. Very bold; presumptuous.
4. Obsolete. Confiding; trustful. [Latin cōnfīdēns, cōnfīdent- present participle of cōnfīdere, to rely on. See confide.] conʹfi·dent·ly adv.

• Từ đồng nghĩa / Synonyms:
  surefooted, sure-footed, convinced(p), positive(p), confident(p)
• Từ trái nghĩa / Antonyms:
  diffident, shy, timid, unsure