lacking
1. [ adjective ] not existing
Synonyms: missing wanting nonexistent
Examples:

"innovation has been sadly lacking" "character development is missing from the book"

Related terms: absent
2. [ adjective ] inadequate in amount or degree
Synonyms: deficient wanting
Examples:

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

Related terms: inadequate
Similar spelling:   lacing
  lashing
  lagging
  lashings
  laughing
  lacewing
  Lakins
  locking
  licking
  laughingly
  laziness