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dudar

Dudar is a Spanish verb that means to doubt, to be uncertain about the truth, reliability, or value of something. It comes from the Latin dubitare, from dubius meaning doubtful. Related words in Spanish include duda (doubt) and dudoso (doubtful).

Grammatical use is versatile. Dudar can be followed by the preposition de to express doubt about something

Conjugation overview. Dudar is a regular -ar verb. Present: dudo, dudas, duda, dudamos, dudan. Imperfect: dudaba,

Duda can function as a noun as well; la duda means a hesitation or uncertainty. Phrases such

or
someone,
as
in
dudar
de
la
veracidad
de
un
informe
or
dudar
de
su
historia.
It
can
also
introduce
subordinate
clauses
with
que
or
si
to
question
a
proposition:
dudo
que
venga,
or
dudo
si
debe
ir.
In
many
contexts,
the
clause
after
dudar
uses
the
subjunctive
mood
(dudo
que
venga)
to
reflect
uncertainty,
while
other
constructions
such
as
no
dudo
de
algo
use
the
indicative
or
do
not
express
doubt
in
the
same
way.
dudabas,
dudaba,
dudábamos,
dudaban.
Preterite:
dudé,
dudaste,
dudó,
dudamos,
dudaron.
Future:
dudaré,
dudarás,
dudará,
dudaremos,
dudarán.
Conditional:
dudaría,
dudarías,
dudaría,
dudaríamos,
dudarían.
Subjunctive
present:
dude,
dudes,
dude,
dudemos,
duden.
Imperfect
subjunctive:
dudara,
dudaras,
dudara,
dudáramos,
dudarán.
Gerund:
dudando.
Past
participle:
dudado.
as
de
duda
procedencia
(of
doubtful
origin)
show
its
adjectival
use.
Dudar
thus
covers
both
direct
questioning
of
truth
and
the
broader
sense
of
uncertainty
in
Spanish.