What does "alone" mean?

Alone: 2. Of or by itself; by themselves; without any thing more or any one else; without a sharer; only. Man shall not live by bread alone. Luke iv.

Additional senses

  1. 2.The citizens alone should be at the expense. Franklin.
  2. 3.Sole; only; exclusive. [R.] God, by whose alone power and conversation we all live, and move, and have our being. Bentley.
  3. 4.Hence; Unique; rare; matchless. Shak. Note: The adjective alone commonly follows its noun. To let or leave alone, to abstain from interfering with or molesting; to suffer to remain in its present state.
  4. 5.Solely; simply; exclusively.

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