When factors at the workplace affect family functioning and vice-versa. (Lerner).
Stevens et al. (2007) referred to work-family spillover as, “…the push of family life into work life and vice versa…” (p. 243).

As defined by Lerner. Stevens, D. P., Minnotte, K. L., Mannon, S. E., & Kiger, G. (2007). Examining the “neglected side of the work-family interface.” Journal of Family Issues, 28(2), 242-262.