lack
1. lack \'lak\ vb [ME laken, fr. MD; akin to ON leka to leak] 1: to be
wanting or missing 2: to be short or have need 1: to be destitute of or
deficient in 2: REQUIRE, NEED something essential or greatly desired.
LACK may imply either an absence or a shortage in supply {room lacks
closets} {lack fuel for such a trip} WANT adds to LACK the implication of
desiring or needing urgently {the house wants painting} NEED clearly
suggests urgent necessity {he needs medicine} REQUIRE suggests
imperativeness of needing, desiring, or even craving SYN syn LACK, WANT,
NEED, REQUIRE mean to be without
2. lack n 1: the fact or state of being wanting or deficient : NEED 2:
something that is lacking or is needed