Verb (past tense of undergo) · /ˌʌndəˈwent/ · experienced, endured, or was subjected to something
Definition
Underwent is the simple past tense of the verb undergo. To undergo something means to experience it, endure it, or be subjected to it — particularly something significant, demanding, or transformative. She underwent surgery. The city underwent major redevelopment. The product underwent rigorous testing before launch. Underwent always carries a sense of the subject passing through a process or experience — not choosing it casually, but being taken through it, often with effort, consequence, or change as the result.
Origin
Underwent comes from undergo, itself a compound of under and go. Under here does not mean beneath — it carries its older sense of through or during, related to the German durch and the Latin sub, meaning under or through. Go comes from Old English gan, to go or pass. Together, undergo means to pass through — to move through an experience from beginning to end. The past tense underwent has been part of English since the Old English period, though the form stabilised in Middle English. The verb belongs to the strong irregular conjugation: undergo, underwent, undergone.
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🎧 Podcast 2 — Daily Use
Underwent in Conversation
Two British speakers · Real everyday dialogue
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⚙ Podcast 3 — Prompt Engineering
Underwent — AI Prompts
Practical prompt cards · Copy & read aloud
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