Learn on PengiVocabulary from Latin and Greek Roots, Level XIUnit 13 ~ Unit 15

Ch 5.1: Unit 13

This group of words is built on the Latin root CEND, CENS, meaning "to burn." Key Words | Word | Definition | | | | | incendiary (adj.) | Inflaming; provoking heat or anger | | incense (v.) | To infuriate; to make passionately angry |.

Section 1

Root: CEND, CENS — to burn

This group of words is built on the Latin root CEND, CENS, meaning "to burn."

Key Words

WordDefinition
incendiary (adj.)Inflaming; provoking heat or anger
incense (v.)To infuriate; to make passionately angry

Example Usage

  • The activist was arrested for making incendiary speeches that encouraged rioting.
  • The referee's unfair call was enough to incense the entire team and its fans.

Word Spark

  • incendiary: Think of a comment so provoking it’s like throwing a lit match into a pile of dry leaves.
  • incense: Imagine discovering your sibling read your private diary; that hot, furious feeling is it.

Section 2

Root: FLAM — flame

This group comes from the Latin root FLAM, meaning "flame."

Key Words

WordDefinition
inflammatory (adj.)Arousing anger or strong emotion
flamboyant (adj.)Intended to attract attention; showy

Example Usage

  • The newspaper was criticized for publishing an inflammatory article that misrepresented the facts.
  • He was known for his flamboyant sense of style, always wearing bright colors and bold patterns.

Word Spark

  • inflammatory: Like posting a controversial opinion online just to start a huge argument in the comments.
  • flamboyant: Picture someone walking into a quiet library wearing a neon pink suit and a giant feathered hat.

Section 3

Root: LUSTER, LUSTR — to make bright

These words share the Latin root LUSTER or LUSTR, meaning "to make bright."

Key Words

WordDefinition
luster (n.)Brilliance; brightness
illustrious (adj.)Well-known and distinguished
illustrative (adj.)Descriptive; representative

Example Usage

  • After hours of polishing, the luster of the antique silver teapot was finally restored.
  • The award ceremony honored an illustrious group of scientists and authors.
  • The case study provided a clear, illustrative example of the theory in action.

Word Spark

  • luster: Think of the way a newly washed car shines in the bright afternoon sun.
  • illustrious: Like having a family tree full of famous inventors, artists, and world leaders.

Section 4

Root: FULM, FULG — lightning, flash

This group of words is connected to the Latin roots FULM, meaning "lightning," and FULG, meaning "flash."

Key Words

WordDefinition
fulminate (v.)To attack with words; denounce
refulgent (adj.)Brilliantly illuminated; shining

Example Usage

  • The senator stood on the senate floor to fulminate against the proposed tax increase.
  • The queen's crown was refulgent with diamonds and other precious gems.

Word Spark

  • fulminate: Imagine a furious customer shouting at a manager about a mistake in their order.
  • refulgent: Like the dazzling, brilliant shine of a fireworks display lighting up the entire night sky.

Section 5

Root: FLAGR — to burn

These words come from the Latin root FLAGR, meaning "to burn."

Key Words

WordDefinition
flagrant (adj.)Noticeably bad or offensive
conflagration (n.)A large fire

Example Usage

  • It was a flagrant disregard for the rules when the player intentionally tripped his opponent.
  • A single spark from the campfire started a conflagration that burned acres of forest.

Word Spark

  • flagrant: Think of someone cheating on a test while the teacher is standing right next to them.
  • conflagration: Imagine a wildfire so huge it looks like the entire forest is burning at once.

Book overview

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Unit 13 ~ Unit 15

  1. Lesson 1Current

    Ch 5.1: Unit 13

  2. Lesson 2

    Ch 5.2 : Unit 14

  3. Lesson 3

    Ch 5.3 : Unit 15

Lesson overview

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Section 1

Root: CEND, CENS — to burn

This group of words is built on the Latin root CEND, CENS, meaning "to burn."

Key Words

WordDefinition
incendiary (adj.)Inflaming; provoking heat or anger
incense (v.)To infuriate; to make passionately angry

Example Usage

  • The activist was arrested for making incendiary speeches that encouraged rioting.
  • The referee's unfair call was enough to incense the entire team and its fans.

Word Spark

  • incendiary: Think of a comment so provoking it’s like throwing a lit match into a pile of dry leaves.
  • incense: Imagine discovering your sibling read your private diary; that hot, furious feeling is it.

Section 2

Root: FLAM — flame

This group comes from the Latin root FLAM, meaning "flame."

Key Words

WordDefinition
inflammatory (adj.)Arousing anger or strong emotion
flamboyant (adj.)Intended to attract attention; showy

Example Usage

  • The newspaper was criticized for publishing an inflammatory article that misrepresented the facts.
  • He was known for his flamboyant sense of style, always wearing bright colors and bold patterns.

Word Spark

  • inflammatory: Like posting a controversial opinion online just to start a huge argument in the comments.
  • flamboyant: Picture someone walking into a quiet library wearing a neon pink suit and a giant feathered hat.

Section 3

Root: LUSTER, LUSTR — to make bright

These words share the Latin root LUSTER or LUSTR, meaning "to make bright."

Key Words

WordDefinition
luster (n.)Brilliance; brightness
illustrious (adj.)Well-known and distinguished
illustrative (adj.)Descriptive; representative

Example Usage

  • After hours of polishing, the luster of the antique silver teapot was finally restored.
  • The award ceremony honored an illustrious group of scientists and authors.
  • The case study provided a clear, illustrative example of the theory in action.

Word Spark

  • luster: Think of the way a newly washed car shines in the bright afternoon sun.
  • illustrious: Like having a family tree full of famous inventors, artists, and world leaders.

Section 4

Root: FULM, FULG — lightning, flash

This group of words is connected to the Latin roots FULM, meaning "lightning," and FULG, meaning "flash."

Key Words

WordDefinition
fulminate (v.)To attack with words; denounce
refulgent (adj.)Brilliantly illuminated; shining

Example Usage

  • The senator stood on the senate floor to fulminate against the proposed tax increase.
  • The queen's crown was refulgent with diamonds and other precious gems.

Word Spark

  • fulminate: Imagine a furious customer shouting at a manager about a mistake in their order.
  • refulgent: Like the dazzling, brilliant shine of a fireworks display lighting up the entire night sky.

Section 5

Root: FLAGR — to burn

These words come from the Latin root FLAGR, meaning "to burn."

Key Words

WordDefinition
flagrant (adj.)Noticeably bad or offensive
conflagration (n.)A large fire

Example Usage

  • It was a flagrant disregard for the rules when the player intentionally tripped his opponent.
  • A single spark from the campfire started a conflagration that burned acres of forest.

Word Spark

  • flagrant: Think of someone cheating on a test while the teacher is standing right next to them.
  • conflagration: Imagine a wildfire so huge it looks like the entire forest is burning at once.

Book overview

Jump across lessons in the current chapter without opening the full course modal.

Continue this chapter

Unit 13 ~ Unit 15

  1. Lesson 1Current

    Ch 5.1: Unit 13

  2. Lesson 2

    Ch 5.2 : Unit 14

  3. Lesson 3

    Ch 5.3 : Unit 15