Insubstantial and Jerry-rigged

Insubstantial adjective - Being of a material lacking in sturdiness or substance.

Jerry-rigged and insubstantial are semantically related In some cases you can use "Jerry-rigged" instead an adjective "Insubstantial".

Jerry-rigged adjective - Hastily or roughly constructed.

Insubstantial and jerry-rigged are semantically related in flimsy topic. You can use "Insubstantial" instead an adjective phrase "Jerry-rigged".