Should 'To-Do List' Be Hyphenated?

Everyone · Explainer · Updated October 1, 2026 · LearnLife Editorial

Short answer

The phrase "to-do list" should be hyphenated to clearly indicate it is a list of tasks to be done. Hyphenating "to-do" connects the words and improves readability, making the phrase easier to understand and more professional, especially in formal writing or organized task management.

What Is a "To-Do List" in Simple Terms?

A to-do list is a straightforward tool used to organize tasks you want to complete. It’s a written or digital collection of items, jobs, or errands you plan to do. Everyone uses to-do lists, whether for daily chores, work projects, school assignments, or long-term goals. For example, a typical to-do list might include “call the bank,” “buy groceries,” and “finish math homework.” The purpose is to help you remember what needs doing and to track your progress.

Making a to-do list doesn’t require special skills—just a piece of paper, a notes app, or a planner. You write down tasks as they come to mind, then check them off as you complete them. This simple process can reduce stress by giving you a clear overview of your responsibilities.

Why Is Hyphenation Important in "To-Do List"?

Hyphenation in "to-do list" serves a clear grammatical function: it links “to” and “do” into a compound modifier describing the list. Without the hyphen, readers might misread the phrase or stumble over it, especially when scanning quickly. The hyphen signals that “to-do” is a single unit — the list is specifically one of things “to do.”

For example, compare these sentences:

"I need to update my to-do list." (clear and smooth)
"I need to update my to do list." (awkward, unclear where the phrase breaks)

Hyphenation also helps maintain consistency in formal writing and professional communication. Style guides like the Chicago Manual of Style recommend hyphenating "to-do" when used as a noun or adjective. This clarity is helpful whether you’re writing an email, creating a planner, or organizing tasks for a team.

How Does Hyphenation Affect Usage in Different Contexts?

The hyphenated "to-do" can be a noun, adjective, or part of a phrase and changes how you write the phrase:

As a noun: “My to-do is long today.” (refers to a single task)
As a compound noun: “My to-do list is full.” (list of tasks)
As an adjective modifying another noun: “to-do list app,” “to-do items,” or “to-do list board”

Using the hyphen in these cases clarifies meaning. Without hyphens, phrases can be confusing or ambiguous. For instance, “to do list app” may cause readers to pause and reread, while “to-do list app” reads smoothly.

Example in Practical Use:

Suppose you’re sending an email to a colleague:

Incorrect: “Please review the to do list before our meeting.”
Correct: “Please review the to-do list before our meeting.”

The hyphen makes your message clear and professional.

How to Create and Use a Hyphenated To-Do List Effectively

Creating a to-do list that works well involves more than just writing tasks down. To make your to-do list efficient and clear, especially if sharing it with others, follow these steps:

Use the hyphenated form “to-do list” to avoid confusion.
Break down big projects into smaller, actionable steps. For example, instead of “Plan party,” write “Buy decorations,” “Send invitations,” and “Order cake.”
Prioritize tasks by importance or deadlines. Label items as “Must,” “Should,” or “Could” to organize effort and time.
Update your list regularly, removing completed tasks and adding new ones.
Use consistent language—always write “to-do list” to help yourself and others recognize the term quickly.

Example wording you might use in your notes or digital lists includes:

“Add new client to to-do list.”
“Complete to-do list items before Friday.”
“Review and update to-do list each morning.”

Using the hyphenated term in written reminders and digital tools reinforces clarity.

What Confusions Arise Around "To-Do List" and Similar Terms?

Several terms are often mixed up with "to-do list," which can cause confusion:

Todo list: A common informal spelling without hyphens. It’s widely understood but generally less acceptable in formal writing.
Task list: Similar to a to-do list but sometimes used in workplace software or project management tools, emphasizing assigned duties.
Checklist: Typically a list designed to be marked off as completed, often used in safety or travel contexts. Though a to-do list can function as a checklist, the terms aren’t exact synonyms.
Agenda: Usually a schedule of items to discuss or events planned for a meeting, not just a list of tasks to complete.
Planner: A broader tool that includes calendars, notes, and to-do lists all together.

Understanding these distinctions helps you select the right term for your purpose. For example, if you want a simple list of errands, “to-do list” is best; for a step-by-step safety process, a “checklist” might be more appropriate.

The rule for hyphenating “to-do” applies in similar compound phrases related to tasks and management. For example, “to-do” as a standalone noun or adjective always uses a hyphen. However, “time management” (see Should Time Management Be Hyphenated?) is not hyphenated unless it’s used as a modifier before a noun, such as “time-management skills.”

When you write about your “to-do list,” hyphenate “to-do” every time to keep the phrase consistent. Similarly, if you say “to-do items” or “to-do list app,” the hyphen stays to show the words form one idea.

This consistency supports clear communication in emails, documents, and task management apps.

What Are Practical Next Steps to Improve Your To-Do List Use?

Now that you know to hyphenate “to-do list,” use this knowledge to make better, clearer lists that help you stay organized. Here’s how to get started:

Begin your next list by writing “to-do list” with a hyphen every time.
Explore tools and apps designed for to-do lists, ensuring you search for “to-do list apps” to get the best results.
Learn effective list-making techniques, such as prioritizing tasks and breaking big goals into smaller steps. Articles like How to Write an Effective To-Do List offer helpful guidance.
Share your lists with coworkers, family, or friends using the hyphenated term to communicate clearly.
Regularly review and update your to-do list to keep it manageable and relevant.

By applying these steps, you’ll improve task management and reduce stress from forgetting important duties.

Frequently asked questions

Can I write "to do list" without hyphens in casual notes?

While informal writing sometimes omits hyphens, “to-do list” with hyphens is clearer and preferred for most purposes, especially in professional or shared contexts.

Is "to-do" hyphenated when used alone?

Yes, “to-do” is hyphenated whether used as a noun (“I have a to-do”) or adjective (“to-do items”), maintaining clarity.

How do I know when to capitalize "to-do list"?

Capitalize “To-Do List” when it’s a title or heading, but keep it lowercase in running text unless it starts a sentence. See [Should 'To-Do List' Be Capitalized?](#r1) for more details.

Are there digital apps that recognize the hyphenated "to-do list"?

Yes, many task management apps use “to-do list” as a common search term, so hyphenating helps find the right tools quickly.

How does a to-do list differ from a checklist?

A to-do list is a general list of tasks planned for completion, while a checklist is typically used to verify that steps have been done, often in safety or packing contexts.

Can hyphenation improve productivity?

Using proper hyphenation helps ensure your task descriptions are clear and easy to understand, which can make managing tasks more efficient.