To affirm or utter a solemn declaration, with an appeal to God for the truth of what is affirmed; to make a promise, threat, or resolve on oath; also, to affirm solemnly by some sacred object, or one regarded as sacred, as the Bible, the Koran, etc.
To give evidence on oath; as, to swear to the truth of a statement; he swore against the prisoner.
To make an appeal to God in an irreverant manner; to use the name of God or sacred things profanely; to call upon God in imprecation; to curse.
To utter or affirm with a solemn appeal to God for the truth of the declaration; to make (a promise, threat, or resolve) under oath.
To put to an oath; to cause to take an oath; to administer an oath to; -- ofetn followed by in or into; as, to swear witnesses; to swear a jury; to swear in an officer; he was sworn into office.
To declare or charge upon oath; as, he swore treason against his friend.
I swear to the Lord, I still can't see, why Democracy means, everybody but me. Langston Hughes
I swear, by my life and my love of it, that I will never live for the sake of another man, nor ask another man to live for mine. Ayn Rand
When angry, count to four; when very angry, swear. Mark Twain
I think happiness is a choice. If you feel yourself being happy and can settle in to the life choices you make, then it's great. It's really, really great. I swear to God, happiness is the best makeup. Drew Barrymore
There were times, especially when I was traveling for 'Eat, Pray, Love,' when, I swear to God, I would feel this weight of my female ancestors, all those Swedish farmwives from beyond the grave who were like, 'Go! Go to Naples! Eat more pizza! Go to India, ride an elephant! Do it! Swim in the Indian Ocean. Read those books. Learn a language.' Elizabeth Gilbert