Sluggish and Unpunctual

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

Unpunctual and sluggish are semantically related In some cases you can use "Unpunctual" instead an adjective "Sluggish".

Nearby Words: sluggishness, sluggishly

Unpunctual adjective - Not punctual; after the appointed time.

Sluggish and unpunctual are semantically related in late topic. You can use "Sluggish" instead an adjective "Unpunctual", if it concerns topics such as behind.