1.To mingle and blend, so that different elements can not be distinguished; to confuse. "They who strip not ideas from the marks men use for them, but confound them with words, must have endless dispute." "Let us go down, and there confound their language."
2.To mistake for another; to identify falsely. "They (the tinkers) were generally vagrants and pilferers, and were often confounded with the gypsies."
3.To throw into confusion or disorder; to perplex; to strike with amazement; to dismay. "The gods confound... The Athenians both within and out that wall." "They trusted in thee and were not confounded." "So spake the Son of God, and Satan stood A while as mute, confounded what to say."
4.To destroy; to ruin; to waste. (Obs.) "One man's lust these many lives confounds." "How couldst thou in a mile confound an hour?"