i. o. u. s (noun) debenture: certificate of debt
Sinonime: abandoned, affronted, cast aside, decayed, declined, deferred, depreciated,
deserted, despised, deteriorated, disdained, dismissed, disregarded, evaded,
forgotten, ignored, lapsed, omitted,
overlooked, passed over, postponed, scorned, shunned, spurned, tossed aside, unconsidered, underestimated, undervalued, unheeded,
unused, unwanted, unwatched
Antonime: cared for,
considered, heeded,
used