Home › Words › C › collisionlessnesscollisionlessnesscollisionlessness means absence of collisions.Among words judged in Lexicurio's Arena, collisionlessness ranks #23,627 of 42,747 for Qualifying.EtymologyFrom collisionless + -ness.nounAbsence of collisions.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.collisionless 80% match — That does not involve a collision between particles, bodies, plasmas or waves. vs collisionlessness →collisionlessly 79% match — In a collisionless way. vs collisionlessness →noncollision 77% match — That which is not a collision. vs collisionlessness →noncollisional 74% match — Not collisional. vs collisionlessness →collisionality 73% match — the condition of being collisional vs collisionlessness →collisionally 70% match — With respect to collisions vs collisionlessness →noncollusion 68% match — Absence of collusion. vs collisionlessness →uncolliding 65% match — Not colliding. vs collisionlessness →