Webster's 1828 Dictionary
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INDU'BIOUS, adjective [Latin indubius; in and dubius, doubtful.]
1. Not dubious or doubtful; certain.
2. Not doubting; unsuspecting; as indubious confidence.
Word #:
28640Vol 1 Word #:
28640Mnemonics
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91442129152119Phone Spelling:
463824687