suffer

conjugation suffering - suffered - suffered

verb: to experience physical or mental pain or distress
- Many people suffer from allergies during the spring.
verb: to be afflicted with a disease or medical condition
- He suffers from chronic asthma, which limits his outdoor activities.
verb: to become worse in quality or condition; to deteriorate
- His grades began to suffer when he stopped studying.
verb: to tolerate or allow something to happen
- The king would not suffer any challenges to his authority.