- 1lacking (in something) having none or not enough of something She's not usually lacking in confidence. The book is completely lacking in originality. He was hired as a teacher but was found lacking (= was thought not to be good enough).
Definitions on the go
Look up any word in the dictionary offline, anytime, anywhere with the Oxford Advanced Learner’s Dictionary app.
- 2not present or not available synonym missing I feel there is something lacking in my life.
Check pronunciation: lacking