rest assured

verb

rest assured

verb

1

Idiomatic Be sure; not need to worry; trust.

You may rest assured that our best efforts will be put forth to give you complete satisfaction.
Rest assured, this will not last. Take a turn for the worse. Your hate, clipped and distant. Your luck, [a] two-headed cow.1983 April 12, “Pilgrimage”, in Murmur, performed by R.E.M.:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.