Definitions of thing:

• noun:   a separate and self-contained entity
• noun:   an action

  Example: "How could you do such a thing?"

• noun:   an artifact

  Example: "How does this thing work?"

• noun:   an entity that is not named specifically

  Example: "I couldn't tell what the thing was"

• noun:   any attribute or quality considered as having its own existence

  Example: "The thing I like about her is ..."

• noun:   a special abstraction

  Example: "A thing of the spirit"

• noun:   a special objective

  Example: "The thing is to stay in bounds"

• noun:   a statement regarded as an object

  Example: "To say the same thing in other terms"

• noun:   an event

  Example: "A funny thing happened on the way to the..."

• noun:   a persistent illogical feeling of desire or aversion

  Example: "He has a thing about seafood"

• noun:   a special situation

  Example: "This thing has got to end"

• noun:   a vaguely specified concern

  Example: "Things are going well"