Noah Webster's Dictionary (a.) Having different minds at different times; unsettled; undetermined.

Multi-Version Concordance Doubleminded (2 Occurrences) James 1:8 a doubleminded man, unstable in all his ways. (ASV) James 4:8 Draw nigh to God, and he will draw nigh to you. Cleanse your hands, ye sinners; and purify your hearts, ye doubleminded. (ASV)