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Essential Words for the TOEFL Lesson 15 Vocabulary Test

Essential Words for the TOEFL Lesson 15 Vocabulary Test

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  • adept

adj. able to do something well, being talented
syn. skilled

He is adept at calming noisy children.
The investigators were adept at their jobs.

  • adhere (n. adherence)
  1. to stick to or follow precisely

Travelers must adhere to the laws of the country they are visiting.
The referee’s excessively strict adherence to the rules upset the players.

  • foster
  1. to promote growth or development

The industrial revolution fostered the rise of the middle class.
Parents usually foster the development of good habits in their children.

  • halt (adv. haltingly; adj. halting; n. halt)
  1. to stop or discontinue

Bus service to the city was halted due to poor road conditions.
The supervisor put a halt to the tardiness of the employees.

  • handle (n. handling)
  1. to deal with or control

They handled themselves very well given the circumstances.
The president’s handling of the crisis was widely applauded.

  • harbor
  1. to give protection; to not express a desire or opinion, usually bad

He harbors ill feelings for her.
They harbored the political refugee in their home.

  • harmful (adv. harmfully; v. harm; n. harm)

adj. something that causes pain or damage
syn. unhealthy

Excessive radiation is harmful to the body.
Bleach harms certain fabrics.

  • insignificant (adv. insignificantly; n. insignificance)

adj. not important; of little value
syn. meaningless

The amount of rainfall this summer has been insignificant.
The insignificance of his comment became apparent with the passing of time.

  • mysterious (adv. mysteriously; n. mystery; n. mysteriousness)

adj. not easily understood or figured out
syn. baffling

He had a mysterious effect on everyone who heard him speak.
The man’s disappearance was a mystery.

  • perilous (adv. perilously; n. peril)

adj. threatening or risky; harmful
syn. dangerous

It is perilous to exceed the speed limit.
There are ample perils in the sport of mountain climbing.

  • promote (n. promoter; n. promotion)
  1. to encourage or advertise; to elevate in rank or grade

Many nations promote tourism to lure foreign currency.
The customers responded favorably to the half-price promotion.

  • redundant (n. redundancy; adv. redundantly)

adj. being excessive; showing unnecessary repetition
syn. repetitious

Students who ask teachers to “repeat that again” are being redundant because “repeat” means “again.”
Lush, redundant vegetation is common in tropical climates.

  • reject (n. rejection)
  1. to refuse

The insurance company rejected the claim.
The rejection of his work was difficult for him to understand.

  • substantial (adv. substantially; adj. substantive)

adj. important; strongly made; of value
syn. significant

The discovery of a vaccine for smallpox was a substantial medical achievement.
This substantive article will change your opinion of rock music.

  • trait
  1. specific qualities that distinguish one from another

Her sense of humor and cheerful personality are some of her most impressive traits.
Alma’s blonde hair is a trait inherited from her father.

  • underscore
  1. to make evident or emphasize

The high quality of the student’s science fair project underscored her talent in biology.
The conclusion of the report should underscore its main ideas.

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