| desideratum(need, essential, requirement, prerequisite, inevitability) |
| difficulty(demand, need, necessity) |
| dilemma(fix, pass, distress, demand, need) |
| duress(fix, pass, distress, demand, need) |
| essence(need, essential, requirement, prerequisite, essentiality) |
| essential(need, requirement, prerequisite, inevitability, essentiality) |
| exaction(need, essential, requirement, prerequisite, essentiality) |
| extremity(fix, pass, distress, demand, need) |
| fundamental(need, essential, requirement, prerequisite, essentiality) |
| godsend(need, essential, requirement, prerequisite, essentiality) |
| hardship(fix, pass, distress, demand, need) |
| imperative(need, essential, requirement, prerequisite, essentiality) |
| imperativeness(fix, pass, distress, demand, need) |
| indigence |
| inevitability(need, essential, requirement, prerequisite, essentiality) |
| inexorableness(need, essential, requirement, prerequisite, essentiality) |
| jam(fix, pass, distress, demand, need) |
| juncture(fix, pass, distress, demand, need) |
| lack |
| life or death(expression, idiom, need, essential, requirement) |