Vocapedia
Log inTry for Free

Looking up...

Explore

  • Words of the Year
  • Recent Lookups
  • Community Collections
  • How to Say

Dictionaries

  • English
  • Vietnamese
  • Japanese
  • Chinese
  • Spanish
  • French
  • Korean
  • German
  • Hindi
  • Italian

MY LEARNING

  • My Dictionary
  • My Collections
  • Reviews

Resources

  • Learning Resources
  • How It Works
  • Study Guides
  • Language Tips
  • FAQ
  • Getting Started
  • For Individuals
  • For Teachers

Community

  • Forum
  • Blog
  • Help Center
  • Partnerships

About

  • About Vocapedia
  • Contact Us
  • Feedback

Legal

  • Terms of Use
  • Privacy Policy
  • Cookie Policy
  • Accessibility
  • GDPR Compliance
© 2026 Vocapedia. All rights reserved.
  1. Home /
  2. Dictionaries /
  3. English Dictionary /
  4. at one

at one

/æt wʌn/
in agreement

After hours of discussion, the team was finally at one on the project timeline.

The team agreed on the project timeline after long discussion.


formal

in agreement or harmony with someone or something

The two parties were at one on the terms of the contract.

The two parties agreed on the contract terms.

She and her brother were at one about how to handle their father's will.

She and her brother agreed on how to manage their father's will.

Commonly used in formal or written contexts to indicate mutual agreement.

Collocations

at one within harmony with

Synonyms

in agreementunitedharmoniousof the same mind

Antonyms

at oddsin disagreementdivided

Related Phrases

on the same pagephrase
in agreement
see eye to eyeidiom
to agree with someone

Pro Tip

Usage Context

Use 'at one' in formal settings or written communication to indicate agreement between parties. Avoid using it in casual speech.

Gold Rule

Formal Agreement

This phrase is best suited for formal or written contexts where agreement is being documented or emphasized.

Word Origin

The phrase 'at one' originates from the idea of being in a state of unity or agreement, derived from the Old English 'ān' (one). It has been used in English since the 16th century to describe a shared understanding or harmony.

Usage Notes

This phrase is typically used in formal or written English to describe agreement between people or groups. It is not commonly used in casual conversation.

Word Breakdown

at
in a state or condition of
preposition
+
one
unity or agreement
noun
English Dictionary
Browse more English→English words →

Learning Progress

Track your learning journey!

• Save words to build your vocabulary

• Monitor your daily streak

• Get personalized review reminders

• See words learned statistics

Log in to access advanced features and track your progress!

Go to Dashboard →

Words of the Year

The most notable words that defined each year. Discover the vocabulary that shaped our world.