Front

Severe

Back

Very bad in degree or extent

Front

mourn

Back

to feel sadness

Front

Delinquent

Back

Offender of the law

Front

Outcast

Back

Rejected by community or social group

Front

Sob

Back

To cry without stopping

Front

Critical

Back

Crisis or emergency

Front

Scarce

Back

Deficient in quantity compared to demand

Front

Exploit

Back

A notable achievement

Front

Debate

Back

to think about carefully; examine