Bible Glossary: Words Starting with “O”

Welcome to FaithTime’s Bible Glossary. Here you’ll find clear, biblically grounded explanations for essential Bible terms beginning with the letter O, along with Scripture references and simple insights to help strengthen your understanding of God’s Word.

A decorative letter O with Christian crosses is surrounded by wheat, bread, a basket of grains, olive branches, and two white doves, set in a soft, sandy landscape with a gentle sky.

Oak

Definition: A strong, long-lasting tree often used symbolically for strength or stubbornness.

Scripture Reference: Isaiah 61:3

Simple Meaning: Oaks symbolize strength and stability rooted in God.

Obadiah

Definition: A prophet and also the name of several men in the Old Testament; most known for the prophetic book addressing Edom’s judgment.

Scripture Reference: Obadiah 1:1

Simple Meaning: Obadiah reveals God’s justice and His care for His people.

Obed

Definition: Son of Boaz and Ruth, grandfather of King David.

Scripture Reference: Ruth 4:17

Simple Meaning: Obed represents God’s faithful plan through generations.

Obedience

Definition: Submitting to God’s commands with trust and devotion.

Scripture Reference: John 14:15

Simple Meaning: True love for God is shown through obedience.

Oblation

Definition: A sacrificial offering presented to God.

Scripture Reference: Leviticus 2:1

Simple Meaning: Represents giving God what is valuable in worship.

Occupy

Definition: To be faithful and productive with what God has entrusted.

Scripture Reference: Luke 19:13 (KJV)

Simple Meaning: Use your gifts well while waiting for Christ’s return.

Ode (Song)

Definition: A sacred song or poem of worship.

Scripture Reference: Colossians 3:16

Simple Meaning: Songs express praise, teaching, and spiritual encouragement.

Offering

Definition: A gift or sacrifice given to God in worship.

Scripture Reference: Hebrews 13:16

Simple Meaning: Offerings show gratitude and devotion.

Offspring

Definition: Children or descendants.

Scripture Reference: Genesis 22:17

Simple Meaning: God’s promises often extend through future generations.

Oil

Definition: A valuable substance used for anointing, healing, and worship.

Scripture Reference: Psalm 23:5

Simple Meaning: Oil symbolizes God’s blessing, presence, and empowerment.

Olive Tree

Definition: A tree valued for its fruit and oil; symbol of peace and God’s covenant people.

Scripture Reference: Romans 11:17–24

Simple Meaning: Represents being rooted in God’s family.

Omega

Definition: A title for Jesus meaning “the end,” completing “Alpha and Omega.”

Scripture Reference: Revelation 22:13

Simple Meaning: Jesus is eternal—both the beginning and the end.

Omnipotent

Definition: All-powerful; an attribute of God.

Scripture Reference: Revelation 19:6

Simple Meaning: God has unlimited power to accomplish His will.

Omnipresent

Definition: God’s ability to be everywhere at all times.

Scripture Reference: Psalm 139:7–10

Simple Meaning: Nothing is outside God’s presence.

Omniscient

Definition: God’s complete knowledge of all things.

Scripture Reference: 1 John 3:20

Simple Meaning: God knows everything—past, present, and future.

One Accord

Definition: Unity among believers in purpose and prayer.

Scripture Reference: Acts 1:14

Simple Meaning: God moves powerfully when His people are united.

One Flesh

Definition: The spiritual and physical union of husband and wife.

Scripture Reference: Genesis 2:24

Simple Meaning: Marriage creates a deep, God-designed unity.

Onyx

Definition: A precious stone used in priestly garments and decoration.

Scripture Reference: Exodus 28:20

Simple Meaning: Represents beauty, value, and God’s holiness.

Ophir

Definition: A region known for producing gold of exceptional quality.

Scripture Reference: 1 Kings 9:28

Simple Meaning: Associated with wealth, value, and God’s blessing.

Oracle

Definition: A divine message or revelation from God.

Scripture Reference: Hebrews 5:12

Simple Meaning: God’s truths communicated for His people’s guidance.

Ordeal

Definition: A time of testing or trial.

Scripture Reference: 1 Peter 4:12

Simple Meaning: Trials refine faith and deepen dependency on God.

Ordain

Definition: To appoint or set apart for a special purpose or office.

Scripture Reference: Acts 13:2–3

Simple Meaning: God calls and equips people for His work.

Order

Definition: Structure, arrangement, or God’s intentional design.

Scripture Reference: 1 Corinthians 14:40

Simple Meaning: God values orderliness in worship and life.

Oreb

Definition: A Midianite prince defeated by Gideon.

Scripture Reference: Judges 7:25

Simple Meaning: God delivers His people even through unlikely leaders.

Overseer

Definition: A spiritual leader responsible for shepherding God’s people.

Scripture Reference: 1 Timothy 3:1

Simple Meaning: Overseers care, guide, and protect the church.

Owl

Definition: A bird often associated with desolate places in Scripture.

Scripture Reference: Isaiah 34:11

Simple Meaning: A symbol of loneliness or judgment.

Ox

Definition: A strong work animal commonly used in farming and sacrifice.

Scripture Reference: Proverbs 14:4

Simple Meaning: The ox represents strength, service, and provision.

Oxen Offering

Definition: The sacrifice of oxen as part of Israel’s worship.

Scripture Reference: 2 Samuel 6:13

Simple Meaning: Symbolizes dedication and thanksgiving to God.

Ointment

Definition: A fragrant oil used for anointing, healing, or burial preparation.

Scripture Reference: Mark 14:3

Simple Meaning: A symbol of honor and devotion to Jesus.

Orphan

Definition: A child without parents, especially under God’s special care.

Scripture Reference: Psalm 68:5

Simple Meaning: God is Father to the fatherless and defender of the vulnerable.

Outreach

Definition: The act of sharing God’s love and message with others.

Scripture Reference: Matthew 28:19–20

Simple Meaning: Believers are called to reach out and make disciples.

Outer Court

Definition: The outer area of the tabernacle or Temple where general worshipers could gather.

Scripture Reference: Exodus 27:9–19

Simple Meaning: A symbol of approaching God in reverence.

Oven

Definition: A tool for baking bread; used metaphorically to describe heat or judgment.

Scripture Reference: Malachi 4:1

Simple Meaning: Represents intense purification or consequences.

Oath

Definition: A solemn promise made before God.

Scripture Reference: Matthew 5:34–37

Simple Meaning: Jesus teaches honesty without the need for vows.

Obscurity

Definition: Being hidden, unknown, or unnoticed.

Scripture Reference: Isaiah 58:10

Simple Meaning: God brings light to those who walk in His ways.