This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Heavier, larger, or higher on one side than on the other.

adj. Sagging or leaning to one side.

adj. Characterized by the domination of one competitor over another: a lopsided victory.

adj. Not even or balanced; not the same on one side as on the other.

adj. Leaning to one side because of some defect of structure.

adj. Unbalanced; poorly proportioned; having much more on one side than the other; -- also used metaphorically.

adj. Full of idiosyncrasies.

Inclining to one side; heavier or more developed on one side than on the other, physically or mentally.

adj. having one side lower or smaller or lighter than the other

adj. turned or twisted toward one side

"When he played poorly, which happened too often, the Bears lost, often in lopsided fashion."

asymmetrical    asymmetric    crooked   

top heavy   

unbalanced   

abided    chided    collided    confided    decided    derided    glided    guided    misguided    presided   

wry    sheepish    self-mocking    sidelong    toothy    humorless    Wobbly    self-deprecating    wolfish    ironic