thumbnail
noun · verb
Simple meaning
A small picture, used as a compact representation of a larger image.
Pronunciation
Say it like this:
thuhmnaylSay the bold part a little louder.
IPA pronunciation (US)
ˈθʌmneɪl
This word is pronounced essentially the same in American and British English, so one transcription covers both.
IPA (International Phonetic Alphabet) is a standard way of writing speech sounds.
Definition
Everyday modern meanings first, grouped by part of speech.
noun
chiefly computing
A small picture, used as a compact representation of a larger image.
The nail of the thumb
“He bit his thumbnail anxiously while waiting for the test results.”
social media
A picture displayed by posts and videos pre-clicked conveying the matters discussed/shown in that post.
The fingernail on the thumb.
A rough sketch (e.g., the size of one's thumbnail).
verb
transitive
To describe concisely.
Word at a Glance
- Difficulty
- B1 · Intermediate
- Frequency
- Common
- Typical Use
- Everyday English
Word Aura™
How this word commonly comes across.
Aura for this meaning
This meaning: A small picture, used as a compact representation of a larger image.
Used this way, thumbnail is a specialist word that usually carries little praise or criticism of its own. It stays understated rather than dramatic. This is a computing use: it carries a fixed technical meaning inside software and systems work.
- Emotional tone
- Neutral
- Formality
- Specialist/technical
- Intensity
- Mild
- How common
- Specialized
- Connotation
- Clinical and technical
- Usage feel
- Technical and specialized
Where it naturally appears
- Technology
- Technical/specialist writing
- Business/professional
Usage note
In general conversation this sense usually needs explaining — outside its field, people reach for a plainer word.
Word Aura describes common impressions, not a measurement. Tone changes with sentence, speaker, relationship and situation.
More ways to use thumbnail
- “Click on the thumbnail image to see the full-sized picture.”
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Common Patterns and Combinations
How this word naturally appears with others.
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Words can change meaning depending on context.
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Dictionary data from Wiktionary via the Free Dictionary API. Simple meanings, combinations and word intelligence are built from verified reference data, no AI is used to load this page.