For lack of a better word we are in the latter stages of the "denaturalization" of the original word addictive (which originally meant devoted).
In the medical/psychological world they still use the term in the correct form that
dgillz presented. Some addictions are so bad that if you remove the cause of the addiction the body stops functionning. Alcoholics are like that, if they have been drinking for years and stop cold turkey they can die from withdrawal. No one to my knowledge has died from computer withdrawal while camping (unless they get killed by a bear or some other natural reason).
Again in the medical world, something like what we would describe as an addiction to IT they would describe as a compulsive habit, not an addiction. Though today we use the every day word addictive to mean just about anything that someone can really like, it didn't use to mean that. Like
dgillz I dislike this. The meaning of that word is being washed out till it doesn't mean anything anymore.
Actually I think what happened to the word addictive is very close to what is happening to the word Ironic (because of Alanis Morissette). If you ask any English teacher to listen to the song Ironic by Alanis Morissette they'll tell you that nothing in the song was ironic.
Most people today believe that irony is having rain on your wedding day. It's not! Rain on your wedding day is a bummer--not irony! Irony is setting out to write a song about irony and when we are finished it is about something else.
Soon though ironic definitions will be creeping up in dictionaries all over the place with the wrong meaning. This wrong meaning will one day be accepted as normal and we'll not question it anymore. Today we are in the later stages of the change in meaning of addictive. Soon (one or two generations) we'll only have written records that show a different more precise meaning to the word.
In that not so far future we'll call addictive anything with a propensity to compulsive reactions on our part (anything fun in other words). Then stuff that is truly addictive like cocaine, heroine, alcohol, etc... will be called clinically addictive or some other weird cocktail of words like "withdrawal degenerative syndrome". So we can all sound cool we'll call it WDS for short and we'll feel important because our generation created a new acronym for a seemingly inexistant word that could describe the same dang thing.
Gary
Haran
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