This word is not acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

v. To give too many constraints, so that no solution is available.

v. To determine in such a way that any of the determinant's components would be sufficient on its own to produce the consequence.

"As long as your response doesn't blow off all of the suggested revisions and you explain how/why you have decided to keep certain things as is (like use of the word overdetermine) without being defensive about it, you're fine."

underdetermine   

overdetermination