1) abase something or someone 

     : humiliate them, cause to feel shame. -  창피를 주다. 

2) abase another person 

     : make someone feel low - 자신을 낮추다 in 품격, 자존심,지위 

 base는 보통 bottom을 의미한다. 결국 바닥으로 떨어뜨린다는 의미. 

    즉 low의 의미 

◆ 예문  ;

▸ He abased his collegue by criticising him in front of the boss.

       그는 동료에게 창피를 주었다. 

▸ I certainly don't abase myself when I do good, honest, manual    labor.  자존심을 낮추지 않는다. 

▸We like modern celebrities to abase themselves before us. 그들 자신을 낮추다. 

▸The lazy soldier was abased by an officer. 

◆ synonyms  ;

     humilate, humble, belittle, mortify, chagrin, demean

▷ humiliate - cause to feel shame 창피를 주다. 수치를 주다. 

             ▪ I was so angry and humiliated. 

               South Korea faced a humilating defeat to Argentina. 

                               굴욕적인 패배

▷ mortify - 1)굴욕을 주다  

                ▸She was mortified to realize he had heard every word she said.  

             2) bring under control 

                ▸mortify the flesh 

▷ belittle - 과소평가하다. 가치를 떨어 뜨리다. . 

             ▸She belittled her stundent's efforts. 

▷chagrin - strong feeling of embarrassment 

             ▸To my chagrin, I let out a long fart in front of her. 

             ▸Much to his chagrin, he came out bottom in the race. 

▷demean - 품격을 떨어 뜨리다. 

             ▸I wound't demean myself by asking for charity.