interfamilial
adjective
in·ter·fa·mil·ial
| \ ˌin-tər-fə-ˈmil-yəl
, -ˈmi-lē-əl\
, -ˈmi-lē-əl\
variants:
or inter-familial
Definition of interfamilial
: existing or occurring between families : interfamily
interfamilial communication
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