slowly UK /ˈsləʊli/US /ˈsloʊli/adverb 1forms 4phrases 1 adverb1 •at a low speedWhen bond yields rise slowly over time, it’s not a problem for pensions deploying LDI strategies, and actually helps their finances. — 2022 formsmore slowly · slowlier · most slowly · slowliest Phrases with slowly make haste slowlyTo do things in a deliberate manner to reduce mistakes.