compulsive[adjective]Synonyms: irresistible, compelling, driving, neurotic, obsessive, overwhelming, uncontrollable, urgent 
 [TahlilGaran] English Synonym Dictionary ▲
 com‧pul‧sive /kəmˈpʌlsɪv/ 
 adjective1.  compulsive behaviour is very difficult to stop or control, and is often a result of or a sign of a mental problem ⇒ 
obsessivecompulsive gambling/overeating/spending etc
 Compulsive overspending in these days of credit cards has become more common.2.  compulsive overeater/gambler/spender/liar etc someone who has such a strong desire to eat too much etc that they are unable to control it: 
 a help group for compulsive overeaters3.  a book, programme etc that is compulsive is so interesting that you cannot stop reading or watching it
compulsive reading/viewing
 ‘Gardening World’ is compulsive viewing for gardeners.—compulsively adverb—compulsiveness noun [uncountable]  [TahlilGaran] Dictionary of Contemporary English ▲