Slow and Unpunctual

Slow adjective - Moving or proceeding at less than the normal, desirable, or required speed.

Unpunctual and slow are semantically related in late topic. In some cases you can use "Unpunctual" instead an adjective "Slow", when it comes to topics like behind.

Nearby Words: slowness, slowed, slowly, slowing, slowdown

Unpunctual adjective - Not punctual; after the appointed time.

Slow and unpunctual are semantically related in late topic. You can use "Slow" instead an adjective "Unpunctual", if it concerns topics such as not on time.