Home Dee Dee Word of the Day – May 1 – Abstruse Dee Dee Word of the Day – May 1 – Abstruse By Staff mB - May 1, 2012 997 Adjective: Abstruse (ub-STROOSS) Definition: Difficult to comprehend. Sample sentence: The author’s new book is not as abstruse as his previous works and is likely to attract a much larger readership.