1. (noun) anything indispensable

• essential
• necessary
• necessity
• requirement

2. (adjective) necessary for relief or supply

• needed
• needful
• required

1. (noun) anything indispensable

• desideratum
• must
• need
• want

1. (adjective) necessary for relief or supply

• necessary

1. (noun) anything indispensable

• thing

1. (noun) anything indispensable

• ask
• call for
• demand
• involve
• necessitate
• need
• postulate
• require
• take
• destitute
• impoverished
• indigent
• necessitous
• needy
• poverty-stricken
• essential
• indispensable
• necessary
• need
• require
• want
• needed
• needful
• required

2. (adjective) necessary for relief or supply

• essential
• necessary
• necessity
• requirement
• requisiteness

1. (noun) anything indispensable

• inessential
• nonessential