gem
B2Neutral to slightly formal in literal sense; informal/approving in metaphorical sense.
Definition
Meaning
A precious or semiprecious stone that has been cut and polished, especially for use in jewellery.
A person or thing that is outstandingly valuable, effective, or attractive; a cherished or exemplary item.
Linguistics
Semantic Notes
The metaphorical sense (a wonderful person/thing) is now more common in everyday language than the literal jewellery sense.
Dialectal Variation
British vs American Usage
Differences
No significant differences in core meaning or usage. The metaphorical sense is equally common in both varieties.
Connotations
Equally positive in both varieties, implying rarity, value, and special quality.
Frequency
Slightly higher relative frequency in British English corpora, but the difference is minor.
Vocabulary
Collocations
Grammar
Valency Patterns
a gem of a [noun] (e.g., a gem of a restaurant)consider/view/regard something as a gemdiscover/uncover a gemVocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “a rough diamond/gem (UK: a person of good character but unpolished manners)”
- “the jewel/gem in the crown”
Usage
Context Usage
Business
Metaphorically used to describe a highly profitable, undervalued, or excellent asset or company (e.g., 'The small subsidiary is a hidden gem in the portfolio.').
Academic
Rare in formal academic prose except in geology, mineralogy, or art history contexts discussing literal gemstones.
Everyday
Commonly used metaphorically to describe excellent restaurants, films, books, holiday spots, or people (e.g., 'That little café is a real gem.').
Technical
In geology and gemmology, refers specifically to a cut and polished mineral crystal. In computing, 'GEM' can be an acronym (Graphics Environment Manager).
Examples
By Part of Speech
verb
British English
- The craftsman will gem the brooch with a local sapphire.
- The crown was gemmed with rubies and emeralds.
American English
- She gemmed the necklace with stones she collected herself.
- The designer gemmed the watch face sparingly.
adjective
British English
- The gem quality of the stone was exceptional.
- They specialise in gem diamonds.
American English
- The gemstone exhibit was fascinating.
- He works in the gem trade.
Examples
By CEFR Level
- She has a ring with a blue gem.
- I found a shiny gem in the sandbox.
- The museum had a collection of beautiful gems.
- My grandmother gave me a gem necklace.
- That little bookstore in the alley is a real hidden gem.
- The film is an overlooked gem from the 1990s.
- Her latest novel is a gem of concision and wit, exploring complex themes with elegant simplicity.
- The economist argued that the tax clause was the gem of the legislative package, cleverly incentivising investment.
Learning
Memory Aids
Mnemonic
Think of a 'gem' as a 'JEM' – a 'Jewel Exceptional and Marvellous'.
Conceptual Metaphor
VALUABLE THINGS ARE JEWELS/GEMS; EXCELLENT PEOPLE/IDEAS ARE PRECIOUS STONES.
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Do not confuse with Russian "гем" (informal/slang for a difficult or unpleasant situation). The English word has exclusively positive connotations.
- The metaphorical sense is broader than Russian "жемчужина" (pearl/jewel), applying to any excellent thing, not just a single standout in a collection.
Common Mistakes
- Using 'gem' to describe something merely good, not outstandingly good (semantic weakening).
- Misspelling as 'jem'.
- Overusing the metaphor in formal writing.
Practice
Quiz
In which context is the word 'gem' LEAST likely to be used appropriately?
FAQ
Frequently Asked Questions
No, its most common modern use is metaphorical, describing any outstanding person or thing.
They are largely synonymous. 'Jewel' is more common for the literal stone set in jewellery. 'Gem' is slightly more common in the metaphorical sense (a hidden gem). 'Jewel' can also mean a precious person.
Yes, but it is rare and technical, meaning to adorn or set with gems (e.g., 'a gemmed tiara').
It's understandable but non-standard. The standard idiom is 'rough diamond' (UK) or 'diamond in the rough' (US) for an unpolished person of good quality.