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Definition & Meaning: Fid Word Root

The Latin root word fid means faith. This root forms the basis of numerous words that convey concepts of trust and faithfulness. For example, confide means to place trust in someone, fidelity means faithfulness, and a fiduciary is a trustee. Understanding the root fid helps us grasp the meanings of many related words and expressions.

Diagram of words derived from the root "fid" including confide, fidelity, and fiduciary.

Words Based on the Fid Word Root

Following is a set of words based on the fid root word. Let’s start learning!

Commonly Used Words Based on This Word Root

  • Confident: Thoroughly trusting yourself in your ability to do something.
  • Fido: A dog’s name which means trusty.
  • Fidelity: Trustworthiness; faithfulness.
  • Confidant: A person whom you can thoroughly trust to keep a secret.
  • Confidential: Of that which is told in trust.
  • Diffident: Not trusting oneself; lacking confidence.
  • Confide: To give sensitive information to someone else to hold in trust.
  • Confidence: The state or condition of being given in trust.
  • Bonafide: In good faith.
  • Confidante: A female confidant.

Archaic Words Based on This Word Root

  • Perfidious: Of going through someone’s trust, hence breaking it.
  • Infidel: A person who cannot be trusted to uphold principles of right and wrong.

Technical Words/Jargon Based on This Word Root

  • Fiduciary: A relationship in which one individual has the trust and confidence of another to manage or protect their money; a trustee.
  • Affidavit: An official written document made under oath to ensure that a statement is trustworthy.
  • Perfidy: Betrayal of trust.

Related Word Roots

Here are some related word roots that convey similar meanings:

1. Cred

Meaning: Believe, trust.

  • Incredible: Impossible to believe.
  • Credible: Believable; convincing.
  • Credential: A document or certificate proving a person’s identity or qualifications.

2. Ver

Meaning: Truth.

  • Verify: To make sure or demonstrate that something is true, accurate, or justified.
  • Veracity: Conformity to facts; accuracy.
  • Verdict: A decision on a disputed issue in a civil or criminal case or an inquest.

3. Cert

Meaning: Sure, certain.

  • Certify: To confirm in a formal statement.
  • Certificate: An official document attesting a certain fact.
  • Ascertain: To find out for certain; make sure of.

With this, our lesson on the root word fid comes to an end. We hope you’ve learned many new words based on the root word fid. Keep learning and using these words frequently in your conversations and readings. Good luck!

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Explore Our Full Word Roots Section

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