rest assured
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You can be sure, as in Rest assured that the police will recover your diamonds. This expression uses assured in the sense of “certain” or “confident,” a usage dating from the early 1500s.
QUIZ
CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?
There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?
Question 1 of 7
Which sentence is correct?
Words nearby rest assured
ressentiment, rest, restage, rest area, restart, rest assured, restate, restaurant, restaurant car, restaurateur, rest cure
The American Heritage® Idioms Dictionary
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