transitive verb
1. (to be unsure about) 
a. to doubt 
Dudamos que mucha gente vaya a asistir al seminario.We doubt that many people will attend the seminar.
intransitive verb
2. (to disbelieve) 
a. to doubt 
No dudo de su carácter, pero sí de su ética laboral.I don't doubt his character, but I do doubt his work ethic.
3. (to waver) 
No dude en comunicarse conmigo en cualquier momento si tiene alguna pregunta.Don't hesitate to get in touch with me at any time if you have questions.
intransitive verb
1. (desconfiar) 
a. no direct translation 
dudar de algo/alguiento have one's doubts about something/somebody
¿acaso dudas de mí?don't you trust me then?
2. (no estar seguro) 
a. no direct translation 
dudar sobre algoto be unsure about something
3. (vacilar) 
a. to hesitate 
dudar entre hacer una cosa u otrato be unsure whether to do one thing or another
no dudes en venir a preguntarmedon't hesitate to come and ask me
transitive verb
4. (general) 
a. to doubt 
¿vas a venir? — lo dudoare you going to come? — I doubt it o I don't think so
lo dudo muchoI very much doubt it
yo no lo hice — no lo dudo, pero…I didn't do it — I'm sure you didn't, but…
dudo que vengaI doubt (whether) he'll come
transitive verb
1 (no estar seguro de) to doubt
será verdad, pero yo lo dudo
espero que venga, aunque lo dudo mucho I hope she'll come, although I doubt very much (if) she will; —yo te ayudaré —no lo dudo, pero ... "I'll help you" — "I'm sure you will, but ..."; es lo mejor para ti, no lo dudes it's the best thing for you, believe me
a no dudarlo undoubtedly
dudar que
dudo que sea verdad I doubt (whether o if) it's true
dudan que venga
dudo que yo haya dicho eso I doubt I said that; no dudo que sea capaz de hacerlo I don't doubt that he's capable of doing it
dudar si
dudaba si había echado la carta I wasn't sure if I had posted the letter
dudo si ha echado la carta al correo
2 (vacilar sobre)
lo dudé mucho y al final me decidí por el azul I thought about it o dithered (familiar) a lot but in the end I decided on the blue one; si yo fuera tú, no lo dudaría if I were you, I wouldn't hesitate
intransitive verb
1 (desconfiar) to doubt; have doubts
dudar acerca de algo
dudar de algo to question sth; doubt sth
no dudo de su capacidad no dudo de su talento
los celos le hicieron dudar de su cariño jealousy made her question o doubt his affection
no deberías haber dudado de él dudo de su cariño
2 (vacilar)
no sé qué hacer, estoy dudando I don't know what to do, I'm in two minds o I'm undecided; dudamos entre ir en autobús o en taxi we were not sure whether to go by bus or taxi; dudaba entre los dos she couldn't decide between the two
dudar en hacer algo to hesitate to do sth
dudaba en comprarlo he hesitated to buy it; no dudes en llamarme don't hesitate to call me
Phrases with "dudar"
Here are the most popular phrases with "dudar." Click the phrases to see the full entry.
dudar que
to doubt that
no dudar
not to doubt
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