All-weather and Open-plan

All-weather adjective - Usable or operative or practiced in all kinds of weather.

Open-plan and all-weather are semantically related. In some cases you can use "Open-plan" instead an adjective phrase "All-weather".

Open-plan adjective - (of rooms or buildings) having large rooms with few dividing partitions.

All-weather and open-plan are semantically related. You can use "All-weather" instead an adjective phrase "Open-plan".