Definition

1. Adjective:
   • Characterized by violent motion or agitation: Describing a fluid (like water or air) that is moving in a chaotic, irregular, and often violent manner, with many eddies and swirls.
   • Characterized by unrest, disorder, or conflict: Describing a situation, period, or personality that is marked by instability, upheaval, or a lack of calm and order.

Usage

The word "turbulent" is used to describe both physical phenomena and abstract situations. It often carries a negative connotation of being difficult to control or predict. - As an adjective modifying a noun: turbulent flow, turbulent era, turbulent child. - It can be used in both technical (e.g., physics, engineering) and general contexts.

Examples

• Describing physical motion:
  • The plane experienced severe shaking as it passed through the turbulent air.
  • The boat struggled to navigate the turbulent waters of the strait.
• Describing situations or periods:
  • The country entered a turbulent period of political reform.
  • He had a turbulent relationship with his business partner, filled with arguments.
• Describing behavior or emotion:
  • She was known for her turbulent temper, which could flare up unexpectedly.

Advanced Usage

• "Turbulent flow": A technical term in fluid dynamics describing a flow regime characterized by chaotic property changes, including low momentum diffusion, high momentum convection, and rapid variation of pressure and velocity. This contrasts with "laminar flow."
  • Engineers design aircraft wings to minimize turbulent flow and reduce drag.
• "Turbulent times": A common phrase referring to eras of great social, political, or economic instability.
  • The novel is set during the turbulent times of the revolution.

Variants and Related Words

• Turbulence (noun): The state or quality of being turbulent.
  • The flight was delayed due to air turbulence.
  • The political turbulence made investors nervous.
• Turbulently (adverb): In a turbulent manner.
  • The debate proceeded turbulently, with frequent interruptions.

Synonyms

• Stormy: Characterized by storms or, metaphorically, by violent emotion or conflict. ()
• Tempestuous: Very stormy; characterized by strong and turbulent emotion. ()
• Tumultuous: Making a loud, confused noise; uproarious; or excited, confused, or disorderly. (, )
• Unruly: Disorderly and disruptive and not amenable to discipline or control. ()
• Chaotic: In a state of complete confusion and disorder. ()

Antonyms

• Calm: Not showing or feeling nervousness, anger, or other strong emotions; (of water) not disturbed by waves or wind.
• Peaceful: Free from disturbance; tranquil.
• Serene: Calm, peaceful, and untroubled; tranquil.
• Smooth: Having an even and regular surface; free from perceptible projections, lumps, or indentations. (For fluid flow: )
• Orderly: Neatly and methodically arranged; (of a person or group) well-behaved.

Idioms and Common Phrases

• Turbulent waters: Literally refers to rough seas; metaphorically refers to a difficult, unstable, or dangerous situation.
  • The new CEO will have to steer the company through turbulent waters.
• A turbulent past/history: A personal or collective history marked by many difficulties, conflicts, or changes.
  • Despite his turbulent past, he has built a successful life.

Adjective

1. (of a liquid) agitated vigorously; in a state of turbulence
   • the river's roiling current
   • turbulent rapids
2. characterized by unrest or disorder or insubordination
   • effects of the struggle will be violent and disruptive
   • riotous times
   • these troubled areas
   • the tumultuous years of his administration
   • a turbulent and unruly childhood