deficient vs finished

deficient

• A person who is deficient. 

• Insufficient or inadequate in amount. 

• Lacking something essential; often construed with in. 

• Of a number n, Having the sum of divisors σ(n)<2n, or, equivalently, the sum of proper divisors (or aliquot sum) s(n). 

finished

• Done for; doomed; used up. 

• Processed or perfected. 

• Completed; concluded; done.