Cross-sibling

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    An opposite-sex sibling or parallel cousin.

    "Ifaluk society even forbids smoking in the presence of one's cross-siblings, because it involves movements and gestures with sexual connotations."

  2. 2
    The half-sibling of one's half-sibling; a person with whom one shares a half-sibling, but no parents. neologism

    "As cross-siblings we're not in any way bound to each other; our relationship is optional, we don't have to get on – we just do."

Example

More examples

"Ifaluk society even forbids smoking in the presence of one's cross-siblings, because it involves movements and gestures with sexual connotations."

Etymology

From cross- + sibling.

More for "cross-sibling"

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.