Have you ever typed “anyday” in a text message and then paused, wondering, “Wait… is that even a real word?” You’re definitely not alone. This is one of those sneaky English mix-ups that looks totally fine at first glance but trips up even confident writers.
The confusion mostly comes from the fact that we say phrases like “someday,” “anytime,” and “anywhere” as single words so it’s natural to assume “anyday” should follow the same pattern. But English, being English, doesn’t always play fair. 😅
In this guide, we’ll clear up the confusion once and for all, with simple explanations, examples, comparison tables, and a memory trick you’ll never forget.
Quick Answer 🎯
“Any day” (two words) is the grammatically correct form in standard English, used to mean “on whatever day” or “at any time.” “Anyday” (one word) is not a recognized standard English word, though you may see it used informally, in branding, or in casual writing.
Understanding the Basics 🧠
What Does “Any Day” Mean? 📅
“Any day” is a two-word phrase made up of:
- Any → an adjective meaning “no particular one” or “whichever”
- Day → a noun referring to a 24-hour period
Together, “any day” means “on whatever day” or “at any time, without a specific date in mind.”
Examples of correct usage:
- “You can visit me any day this week.” 📆
- “I’d choose pizza over salad any day.” 🍕
- “Any day now, we should hear back about the job.” 💼
- “Come over any day that works for you.”
Notice how “any” and “day” always function as two separate words “any” modifies “day,” just like in phrases such as “any time,” “any place,” or “any person.”
What About “Anyday”? ❌
Here’s the twist: “anyday” is not a standard, dictionary-recognized word in English. It doesn’t appear in major dictionaries like Merriam-Webster or Oxford as a proper entry.
However, you might still spot it in:
- Casual texting or social media (as a shortcut or typo)
- Brand names or product titles (some companies use “Anyday” stylistically, like a cookware brand or app name)
- Song lyrics or creative writing (for stylistic effect)
Example of incorrect usage:
- ❌ “I can meet you anyday next week.”
- ✅ “I can meet you any day next week.”
So while you might see “anyday” floating around online, it’s not something you should use in formal writing, emails, resumes, or academic work.
Anyday vs Any Day: Comparison Table 📊
| Feature | Any Day ✅ | Anyday ❌ |
| Correct spelling? | Yes, standard English | No, not a recognized word |
| Word type | Adjective + Noun (two words) | Not officially a word |
| Dictionary status | Found in all major dictionaries | Not listed as standard |
| Formal writing use | Always appropriate | Should be avoided |
| Casual/informal use | Also correct | Sometimes seen, but incorrect |
| Example sentence | “Call me any day this week.” | “Call me anyday this week.” (incorrect) |
| Similar structure | any time, any place, any way | N/A |
How to Remember the Difference 🔑
A Simple Memory Trick 🧠
Think of it this way:
“Any” always needs its own space just like “any time,” “any place,” and “any way” are two words, “any day” is too.
Quick mnemonic: 🟢 A-N-Y + D-A-Y = Two Words, Always Stay!
If you’re ever unsure, try replacing “day” with another noun:
- “Any person” ✅ (never “anyperson”)
- “Any time” ✅ (technically “anytime” is accepted as one word in some contexts more on that below!)
- “Any day” ✅ (never “anyday”)
This simple substitution trick helps you catch the mistake instantly. ✋
Common Mistakes to Avoid 🙈
- Merging “any” and “day” into one word out of habit. Since words like “anytime” and “anywhere” exist, people mistakenly assume “anyday” follows the same rule.
- Autocorrect confusion. Some keyboards don’t flag “anyday” as an error, which makes people think it’s fine.
- Copying brand names as grammar rules. Just because a company names their product “Anyday” doesn’t mean it’s grammatically correct English.
- Using it in professional emails or resumes. This is one of the biggest red flags for hiring managers and editors who value correct spelling and English usage.
Real-Life Examples 💬
From a text message:
“Hey! I’m free anyday after 5 pm, lmk what works 😊” (Common in casual texting, but technically incorrect)
From a professional email:
“Please let me know if any day this week works for a quick call.” (Correct formal writing should always use two words)
From a social media caption:
“Coffee over meetings, any day. ☕” (Correct and commonly used in captions and quotes)
From a news headline:
“Storms Could Hit the Region Any Day Now, Forecasters Warn” (Correct news writing follows standard grammar rules)
From academic writing:
“Participants were allowed to complete the survey on any day within the two-week period.” (Correct formal and precise)
These examples show how “any day” stays consistent across professional, academic, and news contexts while “anyday” mostly shows up in casual, unedited writing.
Usage Notes: British vs American English 🌍
Good news this one’s simple! Both British and American English treat “any day” the same way: as two separate words, with no regional spelling differences.
| Term | British English | American English |
| Any day | Any day (two words) | Any day (two words) |
| Similar phrase: Anytime | Anytime / any time (both accepted) | Anytime (commonly one word) |
| Formal writing preference | Two words preferred | Two words preferred |
Bonus insight: Words like “anytime” and “anywhere” have evolved into accepted single-word forms over time, which is likely why people assume “anyday” should follow suit. But dictionaries simply haven’t recognized it yet and may never.
FAQs: People Also Ask ❓
1. Is “anyday” a real word?
No, “anyday” is not a standard, dictionary-recognized word. The correct form is always “any day” (two words).
2. Can I use “anyday” in casual texting?
While some people use it informally in texts or social media, it’s still considered incorrect and should be avoided in any writing meant to look polished or professional.
3. Is “anytime” the same as “any day”?
Not exactly “anytime” refers to any moment or hour, while “any day” refers to any specific date. Interestingly, “anytime” is widely accepted as one word, unlike “anyday.”
4. Why do so many people write “anyday” as one word?
It’s likely influenced by similar words like “anytime,” “anywhere,” and “anyway,” which are correctly written as single words, leading to confusion.
5. Is “anyday” used correctly as a brand name?
Brand names often bend grammar rules for stylistic or marketing purposes, but this doesn’t make “anyday” grammatically correct in standard writing.
6. Should I use “any day” in formal emails?
Yes, always use the two-word form “any day” in emails, resumes, academic papers, and any formal communication.
7. Does autocorrect fix “anyday” automatically?
Not always. Many keyboards and apps don’t flag it as incorrect, so it’s easy to overlook always double-check before sending important messages.
Final Takeaway
Understanding the difference between “any day” and “anyday” is simple once you know how each form is used. “Any day” is the standard and widely accepted phrase in English, meaning any particular day or one day without specifying exactly when. For example, “You can visit me any day this week.” “Anyday” is generally considered incorrect in standard English and should be avoided in formal and everyday writing.
Using “any day” will help keep your sentences grammatically correct, clear, and natural. Remember this simple rule: when you mean “one day, no matter which,” write “any day” as two separate words.
James Carter is an English language enthusiast and content writer who loves making grammar simple and easy to understand. He creates clear, beginner-friendly guides on spelling, grammar rules, confusing words, and everyday English usage. His goal is to help readers write with confidence through practical examples, easy explanations, and accurate language tips.
