Loser or Looser ?
Your choice!
Loser
Exemple : ‘’I was the loser in the race.’’
The word "loser" and "looser" are commonly mixed up although they have very different meanings. A "loser" is someone who does not win something.
Looser
Exemple : ‘’Could you make my belt a bit looser, please?’’
"Looser" is connected to the adjective "loose" and is used to mean "more loose."