Disloyal or Unloyal?

What is the difference between disloyal or unloyal?

The adjectives disloyal and unloyal both describe a lack of loyalty. Disloyal is widely regarded as the correct version, but unloyal is also acceptable.

Disloyal or Unloyal?

Disloyal and unloyal both describe a failure to show loyalty. Many believe that unloyal is wrong because disloyal is so much more common. (Of note, Google will search for disloyal if you type unloyal, but it will not search for unloyal if you type disloyal.)


Use Disloyal

Although unloyal is acceptable, disloyal is universally preferred.

(See evidence of this claim in Google's Ngram Viewer.)

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See Also

What are adjectives? List of easily confused words