What is Passion?

passion [ˈpæʃən]

n

1. ardent love or affection

2. intense sexual love

3. a strong affection or enthusiasm for an object, concept, etc. a passion for poetry

4. any strongly felt emotion, such as love, hate, envy, etc.

5. a state or outburst of extreme anger he flew into a passion

6. the object of an intense desire, ardent affection, or enthusiasm

7. an outburst expressing intense emotion he burst into a passion of sobs

8. (Philosophy) Philosophy

a.  any state of the mind in which it is affected by something external, such as perception, desire, etc., as contrasted with action

b.  feelings, desires or emotions, as contrasted with reason

9. (Christian Religious Writings / Theology) the sufferings and death of a Christian martyr

[via French from Church Latin passiō suffering, from Latin patī to suffer]

http://www.thefreedictionary.com/passion

pas·sion

   [pash-uhn]  Show IPA

–noun

1.

any powerful or compelling emotion or feeling, as love orhate.

2.

strong amorous feeling or desire; love; ardor.

3.

strong sexual desire; lust.

4.

an instance or experience of strong love or sexual desire.

5.

a person toward whom one feels strong love or sexual desire.

6.

a strong or extravagant fondness, enthusiasm, or desire foranything: a passion for music.

7.

the object of such a fondness or desire: Accuracy became apassion with him.

8.

an outburst of strong emotion or feeling: He suddenly brokeinto a passion of bitter words.

9.

violent anger.

10.

the state of being acted upon or affected by somethingexternal, especially something alien to one's nature or one'scustomary behavior ( contrasted with action).

11.

( often initial capital letter ) Theology .

a.

the sufferings of Christ on the cross or His sufferingssubsequent to the Last Supper.

b.

the narrative of Christ's sufferings as recorded in theGospels.

12.

Archaic . the sufferings of a martyr.

Use passion in a Sentence

Origin: 
1125–75; Middle English  (< Old French ) < Medieval Latin passiōn- (stem of passiō ) Christ's sufferings on the cross, any of theBiblical accounts of these (> late Old English passiōn ), special useof Late Latin passiō  suffering, submission, derivative of Latinpassus,  past participle of patī  to suffer, submit; see -ion

—Related forms

pas·sion·ful, adjective

pas·sion·ful·ly, adverb

pas·sion·ful·ness, noun

pas·sion·like, adjective

—Synonyms 
1. See feeling. 6.  fervor, zeal, ardor. 9.  ire, fury, wrath, rage. 

—Antonyms 
1.  apathy. 

http://dictionary.reference.com/browse/passion