1. (noun) the state of needing something that is absent or unavailable

• lack
• want

2. (noun) lack of an adequate quantity or number

• inadequacy
• insufficiency

1. (noun) the state of needing something that is absent or unavailable

• absence
• dearth
• famine
• shortage
• deficit
• mineral deficiency
• shortness
• stringency
• tightness

2. (noun) lack of an adequate quantity or number

• deficit
• shortage
• shortfall
• exiguity
• leanness
• meagerness
• meagreness
• poorness
• scantiness
• scantness
• scarceness
• scarcity
• slenderness

1. (noun) the state of needing something that is absent or unavailable

• demand
• need

2. (noun) lack of an adequate quantity or number

• amount

1. (noun) lack of an adequate quantity or number

• adequacy
• adequacy
• sufficiency
• sufficiency

1. (noun) the state of needing something that is absent or unavailable

• deficient
• inferior
• substandard
• lack
• miss
• need
• require
• want
• want

2. (noun) lack of an adequate quantity or number

• deficient
• lacking
• wanting
• deficient
• deficient
• insufficient
• insufficient