factual UK /ˈfæk.(t)ʃ(ʊ)əl/US /ˈfæk.tʃ(u)əl/adjective 2noun 1forms 2 adjective2 •True, accurate, corresponding to reality.A book of this type is necessarily mainly factual, but it is diversified by many incidents and sidelights which help to give life to a story now accorded its due place in railway history. — 1957 •Pertaining to or consisting of objective claims. noun1 •Programmes having content based on facts, such as documentaries.The BBC is increasing its budget for factual this year. formsmore factual · most factual