lengthiness n amount or degree or range to which something extends n the consequence of being lengthened in duration Usage(s) Dreiserians will hail Dawn for its candor, its shouldering, uncompromising lengthiness; antis will raise their eyebrows for the same reasons. Even the lengthiness weights and certifies a story that, if told concisely, could merely seem lurid. Synonym(s) extension prolongation continuation protraction