Jerry-building is a term used to describe the act of constructing something poorly and hastily. Its antonym would be building with care and attention to detail. Some other antonyms for jerry-building include constructing, erecting, fabricating, and assembling. Each of these words implies a level of precision and expertise that is lacking in jerry-building. Other antonyms might include meticulous, thorough, precise, and methodical. All of these words suggest a careful and deliberate approach to building, which is the opposite of jerry-building. In conclusion, by avoiding jerry-building and employing these antonyms, we can ensure that our constructions are sturdy, safe, and durable.