The antonyms for the word "more inelaborate" would be "more elaborate" or "more intricate". Inelaborate means plain or simple, so the opposite would suggest a greater amount of detail or complexity. Another antonym could be "more ornate" or "more embellished", which would imply a higher level of decoration or adornment. Alternatively, "more complex" or "more sophisticated" could be used to convey a greater degree of intricacy or refinement. When seeking to express the opposite of "more inelaborate", there are many diverse options available depending on the context and the desired effect.