doubt

definition: uncertainty about the truth or factuality or existence of something
example:
speech part: noun
synonyms: dubiousness doubtfulness question
definition: the state of being unsure of something
example:
speech part: noun
synonyms: uncertainty
definition: consider unlikely or have doubts about
example: I doubt that the investors will accept our buyout offer.
speech part: verb
synonyms:
definition: lack confidence in or have doubts about
example: I doubt these reports
speech part: verb
synonyms:

doubt is explained and pronounced

How doubt is being used?