undergov. t.[AS. undergn. See Under, and Go.]1. To go or move below or under.()2. To be subjected to; to bear up against; to pass through; to endure; to suffer; to sustain; as, to undergo toil and fatigue; to undergo pain, grief, or anxiety; to undergothe operation of amputation; food in the stomach undergoes the process of digestion.()Certain to undergo like doom. (Milton.)3. To be the bearer of; to possess.()Their virtues else, be they as pure as grace,
As infinite as man may undergo. (Shak.)4. To undertake; to engage in; to hazard.()I have moved already
Some certain of the noblest-minded Romans
To undergo with me an enterprise. (Shak.)5. To be subject or amenable to; to underlie.()Claudio undergoes my challenge. (Shak.)