| A | B |
| hyphenated | to break into two using a dash |
| hypodermic | needle used for injections under the skin |
| hypothermia | low body temperature |
| hypocrite | one who says or does things that contradicts his/her beliefs |
| hypochondriac | one who worries about being ill when they are not |
| hypothesis | a prediction |
| hypothetical | idea or theory; imagined situation that requires further thought |
| hypotenuse | side of a right-angled triangle that is opposite of the right angle |
| hypocrisy | faking who you are or behaving in a way that goes against your beliefs/values |
| hypnosis | trancelike state allowing acceptance of suggestions |