adj. 25B6; adjective
proof was lacking : ABSENT, missing, non-existent, unavailable.
the advocate general found the government lacking : DEFICIENT, defective, inadequate, wanting, flawed, faulty, insufficient, unacceptable, imperfect, inferior.
the game was lacking in atmosphere : WITHOUT, devoid of, bereft of; deficient in, low on, short on, in need of.
present, plentiful.