Definition

1. Verb:
   • To experience or be subjected to something, typically something unpleasant, demanding, or transformative: "Undergo" means to go through a process, event, or change, often one that is challenging, necessary, or significant.
   • To endure or submit to a procedure or treatment: It is commonly used in medical, scientific, and formal contexts to describe being subjected to a specific action or process.

Usage and Examples

• General Experience:
  • Patients often undergo a series of tests before diagnosis.
  • The country is undergoing a period of rapid economic reform.
• Enduring a Process:
  • The old bridge will undergo extensive repairs next month.
  • She had to undergo surgery on her knee.

Advanced Usage and Nuances

• "To undergo transformation/change": To experience a fundamental alteration in form, nature, or appearance.
  • The caterpillar undergoes a remarkable transformation to become a butterfly.
• "To undergo scrutiny/analysis": To be subjected to careful examination or study.
  • The proposal must undergo detailed scrutiny by the committee.

Variants and Related Words

• Undergone (verb, past participle): The form used with auxiliary verbs to describe a completed experience.
  • He has undergone several training sessions.
• Undergoing (verb, present participle/gerund): The form indicating an ongoing process.
  • The system is currently undergoing maintenance.

Synonyms

• Experience: To live through or encounter an event or situation.
• Endure: To suffer something painful or difficult patiently.
• Submit to: To agree to undergo or be subjected to.
• Go through: To experience or proceed through a process (a more informal synonym).

Phrasal Verbs

(Note: "Undergo" itself does not commonly form phrasal verbs. The concept is typically expressed by the verb alone or with prepositions like "through.")

Related Idioms and Phrases

• To undergo the mill: (Less common) To go through a difficult or testing experience.
  • The new recruits really underwent the mill during basic training.

Verb

1. pass through
   • The chemical undergoes a sudden change
   • The fluid undergoes shear
   • undergo a strange sensation