2) interjection. The New Dictionary of Cultural Literacy, Third Edition. 2002
...interjection A brief exclamation, often containing only one word: Oh! Gee! Good grief! Ouch! 1...

3) interjection. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...The part of speech that usually expresses emotion and is capable of standing alone. b. Any of the words belonging to this part of speech, such as Ugh! or Wow! interˇjectionˇal...

4) why. The Columbia Guide to Standard American English. 1993
...All but the interjection may be pronounced either HWEI or WEI, depending on the regional dialect; the interjection is always pronounced WEI. The adverb means for...

5) right. The Columbia Guide to Standard American English. 1993
...Right is an interjection when used as an affirmative response: Put it here? Right! As an adverb, it has much use: Do it right. Go right straight ahead. He s the right...

6) O, oh. The Columbia Guide to Standard American English. 1993
...the letter itself, a zero, the chemical symbol for oxygen, and the like. When it is an interjection it is formal and highly rhetorical or poetic: Hear me, O Lord!...

7) hooray. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...INTERJECTION, NOUN & Variant of hurrah....

8) durn. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...INTERJECTION, ADVERB, ADJECTIVE & Chiefly Southern & South Midland U.S. Variant of darn2. See Regional Note at damned....

9) welladay. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...INTERJECTION & Archaic Variant of wellaway....

10) halloa. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...INTERJECTION, NOUN & Variant of halloo....