ephemeral
Hard/ɪˈfɛm(ə)rəl/ · adjective
Lasting for a very short time.
"The beauty of the sunset was ephemeral."
Origin: From Greek 'ephēmeros', meaning 'lasting only a day'.
Vocabulary Builder
Words worth knowing
Each card pairs a definition with pronunciation, origin, and an example sentence — plus a live dictionary lookup with real audio, multiple examples, and synonyms fetched on demand.
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luminous
Medium/ˈluːmɪnəs/ · adjective
Giving off or reflecting light; bright.
"A luminous moon lit the quiet path."
Origin: From Latin 'lumen', meaning 'light'.
tenacious
Medium/təˈneɪʃəs/ · adjective
Holding firmly; persistent and determined.
"Her tenacious spirit carried the team to victory."
Origin: From Latin 'tenax', meaning 'holding fast'.
serendipity
Hard/ˌsɛr(ə)nˈdɪpɪti/ · noun
The occurrence of happy events by chance.
"Finding the book was pure serendipity."
Origin: Coined in 1754 from the Persian tale 'The Three Princes of Serendip'.
candor
Medium/ˈkandə/ · noun
The quality of being open and honest.
"She spoke with refreshing candor."
Origin: From Latin 'candor', meaning 'whiteness, sincerity'.
zephyr
Hard/ˈzɛfə/ · noun
A soft, gentle breeze.
"A warm zephyr drifted through the meadow."
Origin: From Greek 'Zephyros', the god of the west wind.
mellifluous
Hard/məˈlɪfluəs/ · adjective
Sweet or smooth-sounding; pleasant to hear.
"The singer's mellifluous voice filled the hall."
Origin: From Latin 'mel' (honey) and 'fluere' (to flow).
resilient
Medium/rɪˈzɪlɪənt/ · adjective
Able to recover quickly from difficulty.
"Children are often remarkably resilient."
Origin: From Latin 'resilire', meaning 'to leap back'.
eloquent
Medium/ˈɛləkwənt/ · adjective
Fluent and persuasive in speech or writing.
"Her eloquent speech moved the entire room."
Origin: From Latin 'eloqui', meaning 'to speak out'.
quintessential
Hard/ˌkwɪntɪˈsɛnʃ(ə)l/ · adjective
Representing the most perfect example of a quality.
"The cottage was the quintessential country home."
Origin: From medieval Latin 'quinta essentia', the 'fifth essence'.
gregarious
Hard/ɡrɪˈɡɛːrɪəs/ · adjective
Fond of company; sociable.
"He was gregarious and made friends easily."
Origin: From Latin 'grex', meaning 'a flock'.
benevolent
Medium/bɪˈnɛv(ə)lənt/ · adjective
Kind, generous, and well-meaning.
"A benevolent stranger paid for their meal."
Origin: From Latin 'bene' (well) and 'volent' (wishing).
meticulous
Medium/mɪˈtɪkjʊləs/ · adjective
Showing great attention to detail; very careful.
"The watchmaker was meticulous in her work."
Origin: From Latin 'meticulosus', meaning 'fearful'.
ineffable
Hard/ɪnˈɛfəb(ə)l/ · adjective
Too great or extreme to be expressed in words.
"She felt an ineffable joy at the reunion."
Origin: From Latin 'ineffabilis', meaning 'unutterable'.
Learn the roots, unlock thousands of words
Most long English words are built from Greek and Latin roots. Learn one root and you can decode — and spell — an entire family of words. These twelve are among the highest-value roots for spelling and vocabulary.
| Root | Origin | Meaning | Word family |
|---|---|---|---|
| bio | Greek | life | biology, biography, biome, antibiotic |
| graph | Greek | to write | autograph, paragraph, photograph, graphic |
| tele | Greek | far off | telephone, telescope, television, telepathy |
| port | Latin | to carry | transport, import, portable, export |
| dict | Latin | to say | dictionary, predict, contradict, verdict |
| spect | Latin | to look | inspect, spectator, respect, prospect |
| aqua | Latin | water | aquarium, aquatic, aqueduct, aquamarine |
| chrono | Greek | time | chronology, chronic, synchronize, chronicle |
| scrib / script | Latin | to write | describe, manuscript, scripture, prescribe |
| phon | Greek | sound | telephone, symphony, phonics, megaphone |
| struct | Latin | to build | construct, structure, instruct, destruction |
| vid / vis | Latin | to see | vision, video, evidence, visible |
Five proven ways to build your vocabulary
1. Read widely, then look words up
The single biggest driver of vocabulary growth is reading slightly above your comfort level. When you meet an unfamiliar word, don't skip it — use the live lookup above to hear it, read its definition, and see it in a sentence. Meeting a word in context makes it stick far better than memorizing a list.
2. Group words by root and theme
Learning spect (to look) hands you inspect, spectator, respect, and prospect at once. Studying related words together builds a web of meaning that's easier to remember than isolated entries.
3. Use spaced repetition
Review a new word after a day, then a few days, then a week. Each well-timed review moves the word deeper into long-term memory. Even five minutes a day beats an hour once a week.
4. Write each word in your own sentence
Producing a word — not just recognizing it — is what proves you truly own it. Write a short, true sentence about your own life for every new word you learn.
5. Track the words you miss
Keep a running list of words you misspell or forget. Reviewing your personal trouble words is the fastest, most targeted way to improve.
Frequently asked questions
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