Synonyms for Insufficiency

Baseness
baseness commonness deficiency failure	imperfection inadequacy incompetence inferiority	insufficiency littleness mediocrity pettiness	triviality vulgarity

Incompetence
disability disqualification imbecility inability inadequacy inaptitude	incapability incapacity incompetence ineffectiveness ineffectuality inefficiency	ineptitude infancy inferiority insufficiency maladjustment mediocrity	minority thoughtlessness unintelligence unpreparedness uselessness wardship

Arrearage
arrearage arrears caesura debt defalcation default defect	deficiency deficit delinquency discontinuity hiatus imperfection inadequacy	indebtedness inferiority insufficiency interval lack lacuna missing link	need omission outage shortage want

Disparity
asymmetry camouflage conflict confrontation contradistinction contrariety contrast departure deviation difference disaccord disagreement discord discrepancy	disparity disproportion dissemblance dissension dissent dissidence dissimilarity dissonance distinction disunion divergence diversity faction	far cry imbalance incompatibility incongruity inconsistency individuality inequality inequity injustice insufficiency irregularity margin mixture	nonconformity nonuniformity odds separateness severance shortcoming unbalance unevenness unorthodoxy unresemblance variance variegation variety

Scantiness
austerity dearth exiguity infrequency insufficiency	meanness parsimony paucity poverty rarity	scantiness scarcity slim pickings smallness sparsity	stringency thinness tightness