sines

Noun

• ratio of the length of the side opposite the given angle to the length of the hypotenuse of a right-angled triangle
• plural of sine
• pair of sixes of dice

Verb

• commit a sin; violate a law of God or a moral law
• commit a faux pas or a fault or make a serious mistake

Synonyms

blunder, boob, drop the ball, goof, sin, sine, transgress, trespass