irreflexive

/ˌɪrɪˈflɛksɪv/
adjective
  1. In mathematics and logic, describing a relation in which no element is related to itself.
    • The professor explained that the 'parent of' relation is irreflexive.
    • In set theory, an irreflexive relation never pairs an element with itself.
    • The relation 'is taller than' is irreflexive because no one is taller than themselves.
Antonyms
What does "irreflexive" mean? | whatsthatwordmean | whatsthatwordmean