1. (

• sine ,
• sin

) ratio of the length of the side opposite the given angle to the length of the hypotenuse of a right-angled triangle ;

1. (

• sin ,
• transgress ,
• trespass ,

) commit a sin; violate a law of God or a moral law ;

2. (

• drop_the_ball ,
• sin ,
• blunder ,
• boob ,
• goof

) commit a faux pas or a fault or make a serious mistake; "I blundered during the job interview" ;