The term "household articles" refers to items that are commonly found in a home. The antonyms of this term include items that are not usually found in a household, such as outdoor equipment, construction materials, and tools. Outdoor equipment refers to items that are primarily used for outdoor activities, such as camping gear, sports equipment, and bicycles. Construction materials include items such as bricks, cement, and lumber, which are used for building purposes. Tools are instruments that are used for different purposes, such as repairing, crafting, or gardening, and are not typically considered household articles. Overall, antonyms for household articles are items that are used for specific purposes outside of typical domestic settings.