flawed

Definitions

Having a fundamental weakness, imperfection, or error.

Damaged or spoiled by a physical defect or crack.

Examples

The scientist realized that his initial hypothesis was fundamentally flawed.

Her argument was flawed because it relied on outdated statistics.

Despite the flawed logic of the plan, they decided to proceed with the project anyway.

Synonyms

defective faulty imperfect erroneous busted damaged inaccurate

Antonyms

perfect flawless impeccable faultless sound accurate correct