Over-loads refer to the situation where a person or thing is burdened with too much weight, pressure, or responsibility. Some antonyms for the word over-loads include underwhelmed, unburdened, lightened, relaxed, and idle. Underwhelmed means that a person or thing is not given enough work or responsibility. Unburdened refers to a person or thing that is not carrying any burden or weight. Lightened implies that something has been made lighter, physically or emotionally. Relaxed means that a person or thing is free from stress or tension. Lastly, idle refers to a state of doing nothing and being free from work or responsibility. These antonyms for over-loads provide a contrast to the burdened and heavy feeling that the word connotes.