a.

1. 粗野的，粗魯的，無禮的
   I did not intend to be rude.

   我並不想粗魯無禮。

2. 粗糙的，簡陋的[B]
   People of the Stone Age used rude tools.

   石器時代的人使用粗糙簡陋的工具。

3. 未加工的，天然的[B]
   They are buying rude cotton.

   他們正在收購原棉。

4. 未開化的，原始的，野蠻的[B]
   These rude tribesmen live in the rain forest.

   這些原始部落人生活在雨林之中。

5. 粗略的，大略的[B]
6. 強健的，茁壯的[B]
7. 猥褻的，淫亂的
   He told a rather rude joke, and every one looked embarrassed.

   他講了一個相當粗俗的笑話，使每個人都非常尷尬。

adj.

1. offensively impolite or ill-mannered.
   ▸referring to sex in a way considered improper and offensive.
2. very abrupt:
   a rude awakening.
3. chiefly Brit. vigorous or hearty.
4. dated roughly made or done; lacking sophistication.
   ▸archaic ignorant and uneducated.