Oxymorons

1.  Act naturally 
 
2.  Found missing 
 
3.  Resident alien 
 
4.  Advanced BASIC 
 
5.  Genuine imitation 
 
6.  Airline food 
 
7.  Political science 
 
8.  Tight slacks 
 
9.  Definite maybe 
 
10.  Pretty ugly 
 
11.  Good grief 
 
12.  Same difference 
 
13.  Almost exactly 
 
14.  Government organization 
 
15.  Legally drunk 
 
16.  Working vacation 
 
17.  Soft rock 
 
18.  Plastic glasses 
 
19.  Terribly pleased 
 
20.  Diet ice cream
 
21.  Sanitary landfill 
 
22.  Alone together 
 
23.  Small crowd 
 
24.  Butt Head 
 
25.  Software documentation 
 
26.  New classic 
 
27.  Sweet sorrow 
 
28.  "Now, then . . . " 
 
29.  Synthetic natural gas 
 
30.  Passive aggression 
 
31.  Taped live 
 
32.  Clearly misunderstood 
 
33.  Peace force 
 
34.  Extinct Life 
 
35.  Temporary tax increase 
 
36.  Computer jock 
 
37.  Computer security 
 
38.  Twelve-ounce pound cake 
 
39.  Exact estimate