antithetical words

A word or phrase that can have two opposite meanings.

Examples:

• Word:
  • “Love”
    • altruistic desire to please another person even at one’s own expense 
    • a very selfish sort of possessiveness of that other person to meet one’s own needs
  • "Sanction"
    • approval
    • negative consequence
  • "Cleave"
    • stick together
    • cut apart
• Phrase:
  • “I can’t believe you did that!”
    • “I hate what you did.”
    • “I wish I could do what you just did.”
  • "Why did you do that?"
    • "I don't like that you did that."
    • "I'm curious about your motivation for doing that."