I've found out that there are several prepositions for the word alternative that all seem to be correct, however, I think there should be a best choice. Do these prepositions affect the meaning in some way?


Ensure that the text alternative for CAPTCHA images identifies the type of task and what is required from the user to complete it


This solution is far from perfect, but it is a potential alternative to Captcha nonetheless.


In this tutorial, we discussed an alternative of captcha, a plugin called GASP (Growmap Anti spambot Plugin).

Personally, as in my recent article, I do prefer to use "To" as preposition.

  • 1
    They are all different. Alternative for [entities that may use this alternative, or the category of the alternative]. Alternative to [the main choice]. Alternative of [another choice, not necessarily predominant].
    – Yang
    May 29, 2015 at 21:19
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    Yes, "an alternative of" .... should be an alternative to. (books.google.com/ngrams/…)
    – TimR
    May 29, 2015 at 23:11

1 Answer 1


It's a black-tie event, where...
...the alternative for women is an LBD.
...the alternative to a black tie is a dark blue one.
...the alternative of a spinning bow tie will be rejected by the doormen.

  • @Tim Romano: You're more accommodating than the doormen, obviously! :) May 30, 2015 at 1:13

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