Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb overload

3 senses of overload

Sense 1
overload -- (become overloaded; "The aerator overloaded")

Sense 2
clog, overload -- (fill to excess so that function is impaired; "Fear clogged her mind"; "The story was clogged with too many details")
       => fill, fill up, make full -- (make full, also in a metaphorical sense; "fill a container"; "fill the child with pride")

Sense 3
overload, surcharge, overcharge -- (place too much a load on; "don't overload the car")
       => load, lade, laden, load up -- (fill or place a load on; "load a car"; "load the truck with hay")

Antonyms of adj overloaded

1 sense of overloaded

Sense 1
overladen, overloaded -- (loaded past capacity)

INDIRECT (VIA full) -> empty -- (holding or containing nothing; "an empty glass"; "an empty room"; "full of empty seats"; "empty hours")

Similarity of adj overloaded

1 sense of overloaded

Sense 1
overladen, overloaded -- (loaded past capacity)
       => full (vs. empty) -- (containing as much or as many as is possible or normal; "a full glass"; "a sky full of stars"; "a full life"; "the auditorium was full to overflowing")