• at ease, incompetency, hindrance, setback, ineffectualness, disability, disparity, middle, dull, softness, release, detriment, mildness, incompetence, impairment, failing, lurch, gentleness, interior, unbind, free, blunt, imbalance, inequality, calm, heart, center, wallop, ineffectiveness, hitch, surface, block, catch, unevenness, disadvantage, core, inefficiency, lose, nadir, embarrassment, penalty, kindliness, bottom, stranglehold, let go, inner, shortcoming, inadequateness, impediment, inside, inadequacy, check, inability, rub, ineffectuality, allow, thicken, permit.