Semidry is an adjective that refers to something that is not completely dry but moist. The antonyms for semidry can be words that describe something that is completely wet, saturated, or soaking. Some antonyms for semidry are - soaked, wet, drenched, sodden, saturated, dripping, and waterlogged. These words highlight a total shift from semidry to a state of maximum wetness. Though semidry is not completely dry, it is still not a complete state of dampness. So, using antonyms such as dripping, waterlogged, or saturated, conveys a stronger sense of dampness and wetness.