What is a better word for outside?

A better word for outside depends on context and how fancy you want to sound. For general outside, better or fancier words include exterior, external, outer, outdoors, out-of-doors, open-air, al fresco for dining outside, and outdoorsy for casual. For outside of building, better words include exterior, facade, outer shell, outside area, exterior space, and outdoor area. For example, outside of house can be called exterior of house or facade, outside furniture can be called exterior furniture or outdoor furniture or al fresco furniture. For outside as location, you can say outdoors, out-of-doors, in the open air, under the sky, or in the fresh air, which sound more descriptive. In formal writing, you might say beyond, exterior to, or outside of. For outside as adjective, you can say outer, external, exterior, outward, and outdoor. For example, outside walls can be called exterior walls or outer walls, outside appearance can be called exterior appearance or outward appearance. So better word could be exterior for formal architectural context, outdoors for natural context, open-air for events, and al fresco for dining, all sound better than plain outside.