regards
n.-
1 good wishes (n.) B1 Intermediatefriendly greetings or good wishes sent to someone.
expressions of goodwill or friendly greetings, typically plural in form.
ExamplePlease give my best regards to your parents when you see them.
ExampleThe ambassador sent his warmest regards to the committee, expressing his regret that he could not attend the opening ceremony in person.
UsageUsually plural and often preceded by 'best', 'kind', or 'warm'.
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2 email/letter closing (n.) B1 Intermediate Formala polite way to end a professional email or letter.
a conventional formulaic closing in correspondence, ranging from neutral to formal.
ExampleKind regards, Sarah Jenkins.
ExampleWhile 'Best regards' is standard for professional emails, 'Kind regards' often suggests a slightly more personal or established relationship between the correspondents.
UsageCapitalized when used as a standalone closing before a signature.