verb
doubts; doubted; doubting
[+ obj] to be uncertain about (something) :to believe that (something) may not be true or is unlikely
to have no confidence in (someone or something)
noun
plural doubts
a feeling of being uncertain or unsure about something [noncount]
beyond doubt
If something is beyond doubt, it is definitely true.
in doubt
in a state of being uncertain or unsure
no doubt
without doubt or with very little doubt - used when you are making a statement that you think is certainly or almost certainly true
no doubt about it
used to stress that something is true
the benefit of the doubt
without (a) doubt
used to stress that something is true