Tra từ rude - Từ điển Oxford Advanced Learner 8th

rude [rude ruder rudest] BrE [ruːd] NAmE [ruːd] adjective (ruder, rud·est)
1. having or showing a lack of respect for other people and their feelings
Syn: ↑impolite
•a rude comment
•~ (to sb) (about sb/sth) The man was downright rude to us.
• Why are you so rude to your mother?
•She was very rude about my driving.
•~ (to do sth) It's rude to speak when you're eating.
•How rude of me not to offer you something to drink!
•There's no need to be rude!
•I don't wish to be rude, but I have another appointment in five minutes.
2. (especially BrE) (NAmE usually crude)connected with sex or the body in a way that people find offensive or embarrassing
•a rude gesture
•Someone made a rude noise.
•The joke is too rude to repeat.
3. only before noun (formal)sudden, unpleasant and unexpected
•Those expecting good news will get a rude shock.
•If the players think they can win this match easily, they are in for a rude awakening.
4. (literary)made in a simple, basic way
Syn: ↑primitive
•rude shacks
Idiom: ↑in rude health
Derived Word: ↑rudeness
See also: ↑crude

Word Origin:
Middle English (in sense 4, also ‘uncultured’): from Old French, from Latin rudis ‘unwrought’ (referring to handicraft), figuratively ‘uncultivated’; related to rudus ‘broken stone’.

Thesaurus:
rude adj. (disapproving)
•Why are you so rude to your mother?
disapproving disrespectful • • impolite • • impertinent • • insolent • • churlish • |formal, disapproving discourteous • |BrE, especially spoken, disapproving cheeky • |often approving irreverent •
Opp: polite
rude/disrespectful/impolite/discourteous/cheeky to sb
rude/impolite/impertinent/churlish to do sth

Synonyms:
rude
cheeky • insolent • disrespectful • impolite • impertinent • discourteous
These are all words for people showing a lack of respect for other people.
rude • having or showing a lack of respect for other people and their feelings: ▪ Why are you so rude to your mother? ◇ ▪ It's rude to speak when you're eating.
cheeky • (BrE informal) (especially of children) rude in an amusing or an annoying way: ▪ You cheeky monkey! ◇ ▪ a cheeky grin
insolent • (rather formal) very rude, especially to sb who is older or more important Insolent is used especially to talk about the behaviour of children towards adults.
disrespectful • (rather formal) showing a lack of respect for sb/sth: ▪ Some people said he had been disrespectful to the President in his last speech.
impolite • (rather formal) not behaving in a pleasant way that follows the rules of society: ▪ Some people think it is impolite to ask someone's age.
Impolite is often used in the phrases It seemed impolite and It would be impolite.
impertinent • (rather formal) not showing respect for sb who is older or more important Impertinent is often used by people such as parents and teachers when they are telling children that they are angry with them for being rude: ▪ Don't be impertinent!
discourteous • (formal) having bad manners and not showing respect: ▪ He didn't wish to appear discourteous.
rude/cheeky/disrespectful/impolite/discourteous to sb
rude/impolite/impertinent to do sth

Example Bank:
•He wasn't just impolite— he was downright rude.
•He's very rude about her cooking.
•I hope you won't think me rude if I leave early.
•He made a rude comment.
•It's rude to speak when you're eating.
•The man in the car in front made a rude gesture.
•There's no need to be rude!