The term 'LACKED' can be defined as not having something that is NEEDED or desired. It can be broken down into two crossword solutions: NEEDED (6 letters) and HADNT (5 letters). NEEDED is a verb meaning to require something, while HADNT is the contraction of 'had not, ' which is used to express the negative past tense of the verb 'HAVE.' Together, these two words can be used to describe the concept of not having something that is NEEDED or desired.