Alternate or Alternative?

Alternate or Alternative?

• Alternate. An "alternate" is a replacement for the original. For example:
• The helicopter is grounded. We need alternate transport.
(Note that the helicopter is no longer an option. The alternate replaces it.)
• Alternative. An "alternative" is another option to the original. For example:
• The helicopter is expensive. I suggest alternative transport.
(Note that the helicopter is still an option. The alternative is another option.)

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More about "Alternate" and "Alternative"

Writers are often confused by the words "alternate" and "alternative." These words have similar meanings, but there is a difference. They cannot be used interchangeably.

Alternate

The word "alternate" means a replacement (i.e., something that serves in the place of something else). In this meaning, it can be used as a noun or an adjective. For example:
• Our usual captain is on leave. Simon is the alternate.
(In this example, "alternate" is a noun. Note that Simon is a replacement for the usual captain.)
• The landslide has closed the road. You must take an alternate route.
(In this example, "alternate" is an adjective. Note that the original route is no longer an option, meaning the alternate route is a replacement route.)
The word "alternate" can also meaning "taking turns." In this meaning, it can be used as a verb or an adjective. For example:
• The lights alternate between red and white.
(In this example, "alternate" is a verb.)
• We will take alternate shifts.
(In this example, "alternate" is an adjective.)

Alternative

The word "alternative" means another option (i.e., it does not replace the original). It can be used as a noun or an adjective. For example:
• Our usual captain is demanding twice as much money than expected. Simon is the alternative.
(In this example, "alternative" is a noun. Note that Simon is another option for the usual captain, who remains an option. This is the difference between "alternative" and "alternate.")
• The landslide has closed one lane of the road. I would advise taking an alternative route.
(In this example, "alternative" is an adjective. Note that the original route remains an option.)

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