- missing by WordNet
verbFail to perceive or to catch with the senses or the mind.usage: "I missed that...
- lacking by WordNet
verbBe without.usage: "This soup lacks salt"; "There is something missing in my...
- Failing by Webster's
(p.pr.&vb.n.) of Fail.(n.) A failing short; a becoming deficient; failure; deficiency;...
- Miss by Webster's
(n.) Mistake; error; fault.(n.) A young unmarried woman or a girl; as, she is a miss of...
- deficient by WordNet
adjectiveInadequate in amount or degree.usage: "a deficient education"; "deficient...