Added 9 October 2026
soothfastly
adverb
adverb Definition from Wiktionary (CC BY-SA). More about soothfastly at Wordnik → Where our words come from →
Origin
From Middle English sothefastly, soþfasstlike, soðfæstlice, from Old English sōþfæstlīċe, equivalent to soothfast + -ly.
From Wiktionary, via Kaikki.org (CC BY-SA)