glacially

== English == === Etymology === From glacial +‎ -ly. === Pronunciation === (UK) IPA(key): /ˈɡleɪʃɪəli/ === Adverb === glacially (comparative more glacially, superlative most glacially) (geology) Through glacial action. [from 19th c.] In a (literally or figuratively) icy manner; icily. [from 19th c.] With the speed of a glacier; very slowly. [from 20th c.]