Vocabulary Mastery: Key Terms

Front

Disconcerting

Back

Causing discomfort or confusion

Front

Imperceptible

Back

Barely noticeable

Front

Substantial

Back

Of considerable importance

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Strenuous

Back

Requiring great effort

Front

Interject

Back

Insert abruptly

Front

Disconcerting Synonym

Back

Unsettling

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Imperceptible Antonym

Back

Obvious

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Substantial Example

Back

A substantial meal

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Strenuous Activity

Back

Running a marathon

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Interject Example

Back

He interjected a comment