Oxymorons

Oxymoron's are inexplicably part of our lives. Here are a few you may actually use:

• Exact estimate
• Act naturally
• Found missing
• Resident alien
• Genuine imitation
• Good grief
• Sanitary landfill
• Alone together
• Small crowd
• Soft rock
• Sweet sorrow
• "Now, then..."
• Passive aggression
• Clearly misunderstood
• Peace force
• Extinct life
• Plastic glasses
• Terribly pleased
• Definite maybe
• Pretty ugly
• Working vacation