expression
with the whole family; as a family
Describes an activity done by the entire family together, often implying a joint effort or shared experience.
週末は一家掛かりで大掃除をした。
We did a big cleaning with the whole family over the weekend.
一家掛かりで庭の手入れをする。
We take care of the garden as a family.
A fixed expression composed of 一家 (one family) + 掛かり (involving, taking) + で (particle), literally 'with the whole family involved'.