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to miss or be deficient = lack
To not have it, or to lack it.
It is deficient.
It is deficient.
NO- 24 is not deficient.
to miss or be deficient = lack
to miss or be deficient = lack
To not have it, or to lack it.
insufficient amount of something.
lack
To not have it, or to lack it.
lack
It is Lack.
The definition of the word deficient is something that is lacking a necessary element. It describes something that is broken or not working, something that is defective.
To be good at something could be proficient. To be bad at something could, therefore, be deficient. Deficient is an antonym for proficient.
The opposite of "being good at" something would be "being bad at" it.
The direct preposition of deficient (lacking) is "in."e.g. He was deficient in mathematical ability. (There was a deficiency.)It might also use "to" or "with" if the deficiency is being modified.e.g. The work was deficient to some degree. (e.g. in some way)e.g. The car is deficient with respect to its braking.NOTE : one cannot be deficient "at" something