Complete or Completed: Which Is Correct?
Updated · Which One Is Correct editorial team
Quick answer: Both forms are correct but serve different grammatical roles. Use complete when describing a state or condition. Choose completed when you want to stress that a specific action has finished. Knowing the difference helps you write with precision and clarity.
The Short Answer
Complete describes a state; completed stresses that the action was finished. This distinction matters because English uses participles to show both conditions and timelines.
People confuse these terms because they sound nearly identical and often appear in similar contexts. The brain focuses on the core meaning rather than the subtle shift in emphasis from being whole to having done.
Side-by-Side Comparison
| Form | Status | Use it when |
|---|---|---|
| Complete | Adjective | Describing something whole, entire, or lacking nothing. |
| Completed | Past Participle | Referring to an action that has reached its end. |
| Completes | Verb | Talking about the subject performing the final step. |
| Completion | Noun | Discussing the act or state of finishing something. |
Correct Example Sentences
- The puzzle is now complete with every piece in place.
- She completed the marathon despite the heavy rain.
- Please ensure the application is complete before submitting.
- He completed his degree last summer with high honors.
- The project remains complete in theory but needs testing.
- We completed the installation ahead of the scheduled deadline.
- His silence was complete and unnerving to everyone present.
- The team completed the quarterly report without any errors.
- A complete stranger asked for directions at the corner.
- They completed the renovation just before the winter storms.
Common Mistakes and Fixes
- The form was completed with all fields filled.
- The form is complete with all fields filled.
- I have complete the task already.
- I have completed the task already.
- The circle is completed and perfect.
- The circle is complete and perfect.
- She completed her breakfast and left.
- She completed her breakfast and left.
- The set is completed and ready.
- The set is complete and ready.
- We complete the journey by noon.
- We completed the journey by noon.
A Quick Test You Can Use
Ask yourself if you are describing a condition or a timeline. If you can replace the word with whole or entire, use complete. If you can replace it with finished or done, choose completed. This mental swap reveals the true function of the word in your sentence structure.
Related Word Pairs
- Who's vs Whose
- Use who's for who is and whose for possession.
- Their vs There vs They're
- Theirs is possession, there is place, they're is they are.
- Affect vs Effect
- Affect is usually a verb; effect is usually a noun.
- Its vs It's
- Its shows possession; it's is short for it is.
- Then vs Than
- Then refers to time; than is used for comparisons.
More Example Sentences
- The survey is complete once you submit your answers.
- She completed the marathon in record time.
- Our list of supplies is not yet complete.
- He completed his training with distinction.
- The renovation is complete and the house looks amazing.
- Workers completed the bridge ahead of schedule.
- This form must be complete before you send it.
- They completed the puzzle in under an hour.
- The circle remains complete despite the crack.
- She completed her masterpiece with a final brushstroke.
Quick Practice
The application is and ready for review.
complete
He the assignment before the deadline.
completed
Is the checklist with every item checked?
complete
We the construction last month.
completed
This information is not without your signature.
complete
She the circuit by closing the switch.
completed
Frequently Asked Questions
Can I use complete and completed interchangeably?
No, they serve different grammatical functions. Complete acts as an adjective describing a state, while completed acts as a verb form indicating a finished action. Swapping them changes the meaning of your sentence.
Is complete a verb or an adjective?
It can be both, but in this specific comparison, we treat it as an adjective. When used as a verb, it usually appears as completes or completing to show active action.
Which word should I use on a resume?
Use completed when listing achievements like courses or projects finished. Use complete when describing a skill set or a collection of works that remains whole and unbroken.
Does completed imply past tense?
Yes, completed is the past participle of the verb complete. It always indicates that the action happened in the past and has since reached its natural conclusion or endpoint.
