Meaning: The thigh bone, the longest bone in the human body.

Part of speech: noun

Example: The femur connects the hip to the knee.

Category: Medicine › Anatomy

Synonyms: thigh bone

Meaning: To enclose an area with a fence.

Part of speech: verb

Example: They decided to fence in the backyard for the dog.

Category: General

Synonyms:

• enclose
• surround

Meaning: The act of repairing a relationship or resolving a conflict.

Part of speech: noun

Example: They engaged in fence mending after their argument.

Category: General

Synonyms:

• reconciliation
• repair

Meaning: To defend oneself from something.

Part of speech: verb

Example: He had to fend for himself after his parents left.

Category: General

Synonyms:

• defend
• protect

Antonyms:

• attack
• assail

Meaning: To defend against something or someone.

Part of speech: verb

Example: She managed to fend off the attackers.

Category: General

Synonyms:

• ward off
• repel

Meaning: Wild and untamed, especially referring to domesticated animals.

Part of speech: adjective

Example: The feral cat roamed the streets.

Category: Nature › Animals

Synonyms:

• wild
• untamed

Antonyms:

• tame
• domesticated

Meaning: A type of non-flowering plant that reproduces via spores.

Part of speech: noun

Example: The fern thrives in shady areas.

Category: Nature › Plants

Synonyms:

• plant
• flora

Meaning: Savage or fierce in nature.

Part of speech: adjective

Example: The ferocious lion roared loudly.

Category: Nature › Animals

Synonyms:

• fierce
• savage

Antonyms:

• gentle
• tame

Meaning: To search for something persistently.

Part of speech: verb

Example: She had to ferret out the truth.

Category: General

Synonyms:

• search
• dig

Meaning: To discover or uncover something after a thorough search.

Part of speech: verb

Example: The detective managed to ferret out the hidden evidence.

Category: General

Synonyms:

• uncover
• reveal

Meaning: Having or displaying a passionate intensity.

Part of speech: adjective

Example: She is a fervent supporter of environmental causes.

Category: Arts › Literature

Synonyms:

• passionate
• zealous

Antonyms:

• apathetic
• indifferent

Meaning: A suffix used to denote a festival or celebration.

Part of speech: suffix

Example: The city hosts a music-fest every summer.

Category: Arts › Events

Meaning: A cultural event that honors deceased individuals.

Part of speech: noun

Example: The Festival of the Dead is celebrated with colorful altars.

Category: Arts › Cultural Events

Synonyms: Day of the Dead

Meaning: To decorate a place with ribbons, garlands, or other ornaments.

Part of speech: verb

Example: They festooned the hall for the wedding.

Category: Arts › Decorations

Synonyms:

• decorate
• adorn

Meaning: Relating to a fetus.

Part of speech: adjective

Example: The fetal development stages are crucial for health.

Category: Medicine › Obstetrics

Synonyms: embryonic

Meaning: Having a foul smell.

Part of speech: adjective

Example: The fetid odor from the garbage was unbearable.

Category: General

Synonyms:

• malodorous
• stinky

Antonyms:

• fragrant
• pleasant

Meaning: A small sore on the lip or around the mouth caused by the herpes virus.

Part of speech: noun

Example: She had a fever blister that was painful.

Category: Medicine › Dermatology

Synonyms: cold sore

Meaning: Having the symptoms of fever; excited or restless.

Part of speech: adjective

Example: She felt feverish with excitement before the concert.

Category: Medicine › Health

Synonyms:

• fevered
• agitated

Antonyms:

• calm
• composed

Meaning: A felt hat in the shape of a truncated cone, often worn in North Africa.

Part of speech: noun

Example: He wore a red fez to the party.

Category: Fashion › Headwear

Synonyms: hat

Meaning: A major political party in Ireland.

Part of speech: noun

Example: Fianna Fail has been influential in Irish politics.

Category: Politics › Political Parties

Synonyms: political party

Meaning: A complete failure, especially in a ludicrous or humiliating way.

Part of speech: noun

Example: The event turned into a fiasco due to poor planning.

Category: General

Synonyms:

• disaster
• failure

Meaning: A sequence of numbers where each number is the sum of the two preceding ones.

Part of speech: noun

Example: The Fibonacci series starts with 0 and 1.

Category: Mathematics › Sequences

Synonyms: number sequence

Meaning: Technology that uses thin strands of glass or plastic to transmit data as light signals.

Part of speech: noun

Example: Fibre optics are essential for high-speed internet.

Category: Technology › Communications

Synonyms: optical fibers

Meaning: Changing frequently, especially in regards to one's loyalties or affections.

Part of speech: adjective

Example: Her fickle nature made it hard to trust her.

Category: General

Synonyms:

• changeable
• inconstant

Antonyms:

• steady
• constant

Meaning: To create a fictional version of something.

Part of speech: verb

Example: The author decided to fictionalize the events of her life.

Category: Arts › Literature

Synonyms:

• adapt
• invent

Meaning: A term used to express disbelief or annoyance.

Part of speech: noun

Example: Oh, fiddle sticks! I forgot my keys.

Category: General

Synonyms:

• nonsense
• rubbish

Meaning: Requiring careful or intricate handling.

Part of speech: adjective

Example: The instructions were too fiddly to follow.

Category: General

Synonyms:

• tricky
• complicated

Meaning: Faithfulness to a person, cause, or belief.

Part of speech: noun

Example: His fidelity to his friends is admirable.

Category: General

Synonyms:

• loyalty
• faithfulness

Antonyms:

• disloyalty
• betrayal

Meaning: A person who holds a legal or ethical relationship of trust with one or more parties.

Part of speech: noun

Example: The lawyer acted as a fiduciary for his client.

Category: Law › Trust Law

Synonyms:

• trustee
• agent

Meaning: Skills and techniques used in outdoor survival and navigation.

Part of speech: noun

Example: He learned field craft during his time in the military.

Category: Education › Survival Skills

Synonyms:

• survival skills
• outdoor skills

Meaning: A temporary hospital set up in a military area to treat injured soldiers.

Part of speech: noun

Example: The field hospital was established near the front lines.

Category: Medicine › Military Medicine

Synonyms:

• temporary hospital
• military hospital

Meaning: An officer who is in charge of troops in the field.

Part of speech: noun

Example: The field officer coordinated the mission on-site.

Category: Military › Rank

Synonyms:

• officer
• commander

Meaning: To test something in a real-world environment.

Part of speech: verb

Example: The engineers decided to field-test the new software.

Category: Technology › Testing

Synonyms:

• test
• evaluate

Meaning: In the fifth position or manner.

Part of speech: adverb

Example: Fifthly, we need to consider the budget.

Category: General

Synonyms:

• fifth
• in fifth place

Meaning: A leaf of a fig tree, often used metaphorically to cover something shameful.

Part of speech: noun

Example: The fig leaf of the company's profits hid deeper financial issues.

Category: Literature › Metaphor

Synonyms:

• cover
• disguise

Meaning: To resolve a conflict or competition through fighting or struggle.

Part of speech: verb

Example: The two teams will fight it out in the final match.

Category: General

Synonyms:

• battle
• contend

Meaning: A term used in various contexts to refer to a shape or number.

Part of speech: noun

Example: The -figure in the equation represents the unknown.

Category: Mathematics

Synonyms:

• shape
• number

Meaning: A word or phrase used in a non-literal sense to convey meaning.

Part of speech: noun

Example: Metaphor is a common figure of speech.

Category: Language › Linguistics

Synonyms:

• expression
• phrase

Meaning: A thin wire or thread, especially in light bulbs.

Part of speech: noun

Example: The filament in the bulb burned out.

Category: Science › Physics

Synonyms:

• wire
• thread

Meaning: To steal something, especially in a sneaky way.

Part of speech: verb

Example: He tried to filch a cookie from the jar.

Category: Crime › Theft

Synonyms:

• steal
• snatch