dɪˈfɪʃənt

Definitions

1. adjective

lacking or insufficient in quantity, quality, or degree

“The patient’s vitamin D level was deficient, so she took supplements.”

2. noun

a person or thing that is lacking or insufficient in quantity, quality, or degree

“The city’s water supply was deemed deficient due to the drought.”

3. verb

to be lacking or insufficient in quantity, quality, or degree

“The company’s profits are deficient this quarter due to increased competition.”