Webster’s Revised Unabridged Dictionary · 1913
Lengthy
Length′y (-y̆), a. [Compar. Lengthier (-ĭ·ẽr); superl. Lengthiest.] Having length; rather long or too long; prolix; not brief; — said chiefly of discourses, writings, and the like. "Lengthy periods." Washington. "Some lengthy additions." Byron. "These would be details too lengthy." Jefferson. "To cut short lengthy explanations." Trench.