คำศัพท์ O

word                       meaning                              synonyms                                             antonyms

obese(adj.)            อ้วน                              fat,overweight,gross,corpulent,                     skinny,thin,slim,slender,lean
                                                               stout,tubby,pudgy

obession(n.)           ความหลงใหลใฝ่ฝัน            overwhelming,fear,fixation,                  
                                                               mania,phobia,quirk

obsolete(adj.)         พ้นสมัย                          out-of-date,out of fashion,
                                                               out of use,outdated

obvious(adj.)          แจ่มแจ้ง                        clear,evident,plain,unmistakable                      concealed,hidden,obscure

objection(n.)          การคัดค้าน                     disagreement,disapprobation,complaint,           approval,consent,agreement,
                                                              protest,criticism,exception,opposing reason      support,approbation,endorsement

objective(n.)          วัตถุประสงค์                    goal,purpose,object,intent,destination,target

obligation(n.)         ภาระ                             duty,debt,care,responsibility,liability                 choice,freedom

oblige(v.)               พันธะ,บังคับ,หน้าที่,          to be duty bound,require,demand of,             free,unfetter,induce,liberate,
                            ข้อแม้                           make,bind,impel,constrain,force                      release,acquit,persuade

oblivious(adj.)         ภาวะถูกลืม,ไม่รู้                forgetful,conscious,unconscious of aware,
                                                              cognizant

obscure(adj.)          มัว,มืดมน,เคลือบคลุม        unclear,hidden,uncertain,dim,indistinct,            clear,apparent,distinct,bright,
                                                              cloudy,shadowy                                            conspicuous,light

observation(n.)       การสังเกต                     watching,viewing,observing,seeing,beholding

observe(v.)            สังเกต                          notice,see,watch,catch sight of,stare at,inspect

obstacle(n.)           อุปสรรค                        barrier,barricade,hurdle,blockade,obstruction,    help,aid,benefit,expedient,support
                                                             block,catch,problem

obtain(v.)              บรรลุ,ได้รับ                    get,come by,earn,pick up,gain,                       lost,be deprived,forgo,give,bestow, 
                                                             get hold of,take,receive                                 present,proffer,dispense,assign