oftenly Share definition Flag A word that is often used by people who often do not know how to properly use the word "often". This guy has such poor grammar; instead of "oftenly", he should have used a real word such as "often" or "frequently". oftenly by Destin29358 June 13, 2013 0 0 Get merch Get the oftenly mug. Buy Now — $32.95 See more merch