The term "juryrigged" refers to something that has been improvised or put together quickly using whatever materials are available. Some synonyms for "more juryrigged" include jerry-built, ad hoc, makeshift, slapdash, and stopgap. These words all describe something that has been done hastily or without careful planning. Other possible synonyms could include improvised, roughhewn, cobbled together, or thrown together. These terms all convey a sense of something that is not well thought out or carefully constructed. Ultimately, the word you choose will depend on the specific context and the degree to which you want to emphasize the improvised or makeshift nature of whatever you're describing.