Undergo v. t. : To go or move below or under.

Undergo v. t. : 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.

Undergo v. t. : To be the bearer of; to possess.

Undergo v. t. : To undertake; to engage in; to hazard.

Undergo v. t. : To be subject or amenable to; to underlie.

Example:
What tests one should Undergo after unsafe sex with a stranger?

Taxonomy
Merriam-Webster Online Dictionary, Dictionary, webster, Word Games, Webster Online Dictionary with audio pronunciations, thesaurus, Google Search, Custom Search, glossary, english, language, ESL, Search, n-d, transitive verb, Inflected, gän, 14th century.

Defination from the web:
undergo from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... 2 : to go through : experience <undergo a transformation> 3 obsolete : undertake. 4 obsolete : to partake of. Learn more about "undergo" with Google Search: ...