1. To consider unlikely or have doubts about.
2. To lack confidence in.
ETYM Old Eng. dute, doute, French doute, from douter to doubt. Related to Doubt.
1. The state of being unsure of something; SYN. uncertainty, incertitude, dubiety, doubtfulness, dubiousness.
2. Uncertainty about the truth or factuality of existence of something; SYN. dubiousness, doubtfulness, question.