This is the 1747th most frequent Japanese word.
ハンパ
"ハンパ" means "halfway," "incomplete," or "not fully done."
'ハンパに' in this context refers to something incomplete or partially done.
彼は仕事をハンパに放り出してしまった。
He abandoned his work halfway.
The phrase 'ハンパない' strongly expresses amazement or high praise toward someone's capability.
あの選手の能力は本当にハンパない。
That player's ability is truly astounding.
Here, 'ハンパじゃない' is used to emphasize something extraordinary or excessive.