TOEFL unquestionably Definition without doubt or question; certainly. Example "She is unquestionably the most talented musician in the ensemble." Sign in to save TOEFL Quiz → ← unpromising unquestioning → Study tips featuring "unquestionably" Map Each Word Into a Connected Network Track How TOEFL Words Behave With Others Group TOEFL Words Around Academic Themes Related words TOEFL brighten GRE abash GRE abate GRE abbreviate GRE abbreviation SAT abdicate GRE abduct SAT abet GRE abhor GRE abide SAT abject TOEFL ablaze