an another (an/another)

"An another" stacks two indefinite markers where only one belongs.

Use either another (for one more / a different one) or a/an + noun (to introduce a single unspecified item). Never put a/an before another.

Quick answer

"An another" is incorrect because another already functions as an indefinite determiner. Use another + noun (another copy) or a/an + noun (an idea), but not an another.

If you mean one more or an additional item: another + noun (another example).
If you mean a single unspecified item: a/an + noun (a student, an hour).
Fix: remove the extra article or rewrite to match the intended meaning (one more, an additional).

Core explanation: why two determiners collide

Determiners (a, an, the, this, my, another) occupy the same slot before a noun; English normally allows only one. Another already carries the sense of "an + other" fused into a single word, so adding an duplicates the function and becomes ungrammatical.

Structure: [determiner] + [noun]. One determiner only.
Another = one more / a different one. Don't prepend a/an.

Wrong: An another report arrived this morning.
Right: Another report arrived this morning.

Another vs a/an: choose by meaning

Ask: do you mean "one more/one different" or "a single unspecified item"? If the former, use another. If the latter, use a/an.

Quick test: substitute another with "one more" or "an additional." If the sentence still makes sense, another is correct.

Use another for an additional item: another copy, another attempt.
Use a/an when introducing one unspecified item: a copy, an attempt.

Example: I already read one chapter; I'll read another chapter tonight. (one more)
Example: She handed me an envelope. (introducing a single envelope)

Rewrite help: quick, copyable patterns

Most fixes follow three simple actions: drop the extra an, replace another with a/an + noun, or reword to one more / an additional for formality.

If you meant one more: change "an another X" → "another X".
If you meant a single item: change "an another X" → "an X" or "a X".
For formal tone: use "an additional X" or "one more X".

Rewrite:
Wrong: I need an another copy of the file. → I need another copy of the file. (or: I need a copy of the file.)
Rewrite:
Wrong: She asked for an another reference. → She asked for another reference. (or: She asked for a reference.)
Rewrite:
Wrong: He placed an another order. → He placed another order. →
Formal: He placed an additional order.
Rewrite:
Wrong: An another idea came up during the meeting. → Another idea came up. / An idea came up. (choose by meaning)

Examples you can use at work, school, and casual chat

Each pair shows the incorrect "an another" sentence and one or two correct alternatives. Pick the version that matches your meaning.

Work - Wrong: An another copy of the spreadsheet is attached.Work -
Right: Another copy of the spreadsheet is attached.
Work - Wrong: I need an another signature on the contract.Work -
Right: I need another signature on the contract.
Work - Wrong: Please send me an another version with tracked changes.Work -
Right: Please send me another version with tracked changes.
School - Wrong: An another example for the essay is below.School -
Right: Another example for the essay is below.
School - Wrong: Turn in an another draft next week.School -
Right: Turn in another draft next week.
School - Wrong: He asked for an another reference to support his answer.School -
Right: He asked for another reference to support his answer.
Casual - Wrong: Do you want an another slice of pizza?Casual -
Right: Do you want another slice of pizza?
Casual - Wrong: I grabbed an another umbrella from the stand.Casual -
Right: I grabbed another umbrella from the stand.
Casual - Wrong: Can I have an another go at the game?Casual -
Right: Can I have another go at the game?

Try your own sentence

Test the full sentence in context. Context usually makes the right choice obvious.

Real usage and tone: subtle choices that matter

Another emphasizes addition or replacement; a/an simply introduces an item. For formal writing, "an additional" or "one more" can sound more polished than another.

Formal: use "an additional" or "one more" when precision or tone matters.
Informal: "another" or "another one" is natural - never "an another one."
To emphasize the item itself rather than its add-on status, choose a/an.

Memory trick: fast ways to avoid duplication

Mnemonic: another = an + other fused into one word. Visualize "another" as already containing "an," so you don't need an extra article.

Two-second test: say the phrase with only "an" and with only "another." If "one more" fits, use another; if "a single" fits, use a/an.
Try replacing "an another X" with "one more X." If it reads correctly, use "another X."

Similar mistakes and other determiner traps

Stacking determiners shows the same confusion. Common errors: "the another," "an one," "an other," and possessive + article mixes like "my the."

"the another" - wrong. Use "the other" (specific) or "another" (additional).
"an one" - wrong. Use "one" or "a one" is unusual; better: "one example" or "a good example."
Don't split another into "an other." Write another as one word.

Wrong: The another section explains it.
Right: The other section explains it. / Another section explains it.
Wrong: An one of the students answered.
Right: One of the students answered. (or: A student answered.)

Spacing, hyphenation, and small grammar notes

Another is one word. Do not write "an other" or "an-other." Use normal spacing: "another example." Keep the determiner and noun together without a comma between them.

Incorrect: "an other example" →
Correct: "another example."
Incorrect: "an-other example" →
Correct: "another example."
If a checker flags "an another," remove the extra "an" or apply the rewrite patterns above.

FAQ

Is "an another" ever correct?

No. "An another" is not standard English because another already functions as a determiner. Use another or a/an depending on meaning.

What if I hear someone say "an another" in speech?

That's almost always a slip or a dialectal mistake. Native speakers rarely say it; normal forms are another or one more.

How do I quickly decide between "another" and "a/an"?

Ask whether you mean "one more" (choose another) or "one unspecified item" (choose a/an). Replace another with "one more"-if it fits, keep another.

Can I use "an additional" instead of "another"?

Yes. "An additional" and "one more" are good formal alternatives when you want a more polished tone.

My grammar checker flags "an another" - what's the usual fix?

Most checkers suggest removing the extra article (keep another) or replacing another with "an [noun]" depending on intent. Use the rewrite patterns above to choose the right fix.

Quick edit habit

When proofreading, scan for double determiners (an another, the another, my the). If you find one, remove the extra article or swap to a/an or "an additional."

For a second opinion, paste a single sentence into a checker to confirm which option matches your meaning.