unsubstantiably

[US]/ˌʌnsəbˈstænʃəbli/

[UK]/ˌʌnsəbˈstænʃəbli/

Translation

adv.in a manner lacking substantiation or proof; without evidence or grounds

Explore frequently searched vocabulary

Want to learn vocabulary more efficiently? Download the DictoGo app and enjoy more vocabulary memorization and review features!