Definitions

1. adjective

past participle of undermake, imperfectly or inadequately made

“The undermade repairs on the car caused it to break down again.”

2. verb

to make something imperfectly or inadequately

“The project manager accused the team of undermaking the presentation, which resulted in a poor impression on the clients.”

3. verb

to make or construct something under or below something else

“The workers had to undermake the foundation of the new building to ensure stability.”