frigidly

Adverb

Meaning

In a frigid manner; coldly; dully; without affection.

Source: Webster's dictionary

frostily bitingly angrily brutally distantly chilly diametrically coldly indifferently coolly cruelly grimly drily severely dismally

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easily lightly gently happily affectionately softly

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`Come in if you have to,' he said frostily Source: Internet