Definition

1. Verb (Transitive):

   • To make something twice as great, intense, or strong; to increase significantly.
   • To double something that has already been doubled or increased.

2. Verb (Intransitive):

   • To become twice as great, intense, or strong; to increase or intensify considerably.

Usage

• Transitive Verb: Used when a subject causes a significant increase in the level, intensity, or amount of something.
• Intransitive Verb: Used when something increases or intensifies on its own or as a result of circumstances.

Examples

• Transitive Use:
  • The team decided to redouble their efforts in the final quarter.
  • Facing new competition, the company redoubled its marketing campaign.
• Intransitive Use:
  • The wind redoubled, making it difficult to walk.
  • As the deadline approached, the pressure redoubled.

Advanced Usage

• "to redouble one's efforts": A common collocation meaning to try much harder.
  • Despite the setback, she redoubled her efforts to finish the project.
• Used in contexts of conflict, competition, or challenge to describe an escalation.
  • The general ordered his troops to redouble their attack on the fortress.

Variants and Related Words

• Redoubled (adj): Made twice as great or intense.
  • With redoubled energy, he completed the marathon.
• Redoubling (n): The act of making something twice as great.
  • The redoubling of security measures was necessary.

Synonyms

• Intensify: To become or make more intense.
• Increase: To become or make greater in size, amount, or degree.
• Amplify: To increase the volume or intensity of.

Antonyms

• Diminish: To make or become less.
• Reduce: To make smaller or less in amount, degree, or size.
• Abate: To become less intense or widespread.

Related Phrases

• Redouble the pressure: To significantly increase pressure on someone or something.
  • The activists redoubled the pressure on the government to act.
• Redouble in force: To become much stronger (often used for natural elements like wind or rain).
  • The storm redoubled in force overnight.

Verb

1. make twice as great or intense
   • The screaming redoubled
2. double again
   • The noise doubled and redoubled
3. double in magnitude, extent, or intensity
   • The enemy redoubled their screaming on the radio