wanting as in nonexistent

• "the thumb is absent"
• "her appetite was lacking"

Synonyms

• lackinginadequate in amount or degree; nonexistent
• absentgo away or leave; not being in a specified place ; nonexistent; lost in thought
• missingnot able to be found; nonexistent

wanting as in inadequate in amount or degree

• "a deficient education"
• "deficient in common sense"
• "lacking in stamina"
• "tested and found wanting"

Synonyms

• deficientinadequate in amount or degree; of a quantity not able to fulfill a need or requirement; falling short of some prescribed norm
• lacking(p)
• wanting(p)