A palindrome is a word or sentence that is the same spelled forward or backward. For example, take a look at the following sentence: "Madam, I'm Adam". If you omit the punctuation, you can see that the letters spell the same thing forward and backward. There are lots of words that are palindromes including: dad, deified, kayak, mom, repaper, reviver, rotator, and radar.
Palindromic sentences are difficult to uncover but here are some great examples:
- A man, a plan, a canal: Panama!
 - A man, a pain, a mania: Panama!
 - Are poets a waste? Opera!
 - Never odd or even.
 - I prefer pi.
 - Oh, cameras are macho.
 - Drab as a fool, aloof as a bard.
 - Go deliver a dare, vile dog.
 - Wet sanitary rat in a stew.
 - Lepers repel.
 - Too hot to hoot.
 - I'm a fool; aloof am I.
 - Don't nod.
 - No, it is opposition.
 - I'm alas, a salami.
 - Madam, I'm Adam.
 - So many dynamos!
 - Evil, a sin, is alive.
 - Do geese see God?
 - Boston, O do not sob.
 - Niagara, O roar again!