English
protuberanceless
From protuberance + -less.
Formed from protuberance + -less
Today it means
adj That lacks any protuberance or similar feature
Sources
Sources: Wiktionary, “protuberanceless”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.
Etymograph / protuberanceless