Word
depth
US/ˈdɛpθ/
UK/dˈɛpθ/
Definitions
01distance downwards
B1 · Intermediate Uncountable noun
n. the distance from the top surface of something to the bottom.
n. the linear measurement from the surface of a body of water or a container to its lowest point.
日本語:深さ※
“The divers were surprised by the depth of the lake, which reached over fifty meters.”
“The engineers had to calculate the exact depth of the foundation to ensure the skyscraper could withstand seismic activity.”
Usage
often used with the preposition 'of' followed by a measurement.
Synonyms
Antonyms
02distance front-to-back
B2 · Upper Intermediate Uncountable noun
n. the distance from the front of something to the back.
n. the horizontal dimension of an object measured from front to back, such as a shelf or a piece of furniture.
“Check the depth of the closet to make sure your coat hangers will fit.”
“The kitchen designer noted that the standard depth of the cabinets would not accommodate the oversized professional range.”
Usage
commonly used in technical specifications for furniture or appliances.
Antonyms
03seriousness or complexity
B2 · Upper Intermediate Uncountable noun
n. the quality of being serious, important, or having many layers of meaning.
n. the degree of intensity, complexity, or intellectual substance in a person, work of art, or situation.
“The book was praised for the depth of its characters and its emotional story.”
“The diplomat's analysis showed a remarkable depth of understanding regarding the historical grievances between the two nations.”
Usage
frequently used in the phrase 'depth of character' or 'depth of feeling'.
Synonyms
Antonyms
04the deepest part
B2 · Upper Intermediate Countable noun Literary
n. the part of something that is furthest from the surface or the edge.
n. the most remote or central part of a place, or the most intense period of a season.
“Strange creatures live in the depths of the ocean where no light can reach.”
“In the depths of winter, the village was frequently cut off from the rest of the country by heavy snowfall.”
Usage
often used in the plural form 'depths' when referring to water or space.
053D appearance
B2 · Upper Intermediate Uncountable noun Art
n. the way a picture or image looks like it has real space and distance.
n. the illusion or property of three-dimensionality in a two-dimensional representation.
“The artist used shadows to give the painting a sense of depth.”
“By using a wide aperture, the photographer achieved a shallow depth of field that blurred the background and highlighted the subject.”
Usage
often used in the phrase 'depth of field' in photography.
Synonyms
Antonyms
Collocations
Common phrases and expressions where native English speakers use the word “depth” in context.
Verb
01. add depth to the story
“The secondary characters add depth to the story and make it more believable.”
verb + noun + prep + noun
02. measure the depth
“Scientists used sonar to measure the depth of the ocean floor.”
verb + noun
03. plumb the depths
“The documentary attempts to plumb the depths of the artist's troubled mind.”
verb + noun
Adjective
04. considerable depth
“The report analyzes the economic crisis in considerable depth.”
adj + noun
05. great depth
“The divers were surprised by the great depth of the lake.”
adj + noun
06. hidden depth
“As I got to know him, I realized he had hidden depths to his personality.”
adj + noun
Preposition
07. in depth
“We need to discuss this proposal in depth before making a final decision.”
prep + noun
08. out of your depth
“I felt completely out of my depth during the advanced physics lecture.”
prep + noun + prep
09. depth of kilometres
Real-World Examples
“USGS put the depth at 10km (6.2 miles).” “It was recorded at the depth of under 10km.” Etymology
From Middle English depthe, from Old English dīepþ (“depth”), from Proto-Germanic diupiþō (“depth”), equivalent to deep + -th (abstract nominal suffix). Cognates Cognate with Scots deepth (“depth”), Saterland Frisian Djüpte (“depth”), West Frisian djipte (“depth; abyss, chasm”), Dutch diepte (“depth”), German Low German, Limburgish Deepde (“depth”), Luxembourgish Déift (“depth”), Danish, Norwegian Bokmål dybde (“depth”), Faroese dýpd (“depth”), Icelandic djúp, dýpi, dýpt (“depth”), Norwegian Nynorsk djup, djupn, djupt, dypt (“depth”), Swedish djup (“depth”), Gothic 𐌳𐌹𐌿𐍀𐌹𐌸𐌰 (diupiþa, “depth”).
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Idioms
Domains
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
- Frequency
- Common
- Level
- B2 · Upper IntermediateOxford
- Updated
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QR code
englishreference.com/q/depth
※ 機械で選んだ訳語です。ネイティブスピーカーによる確認はまだです。
「日本語」 data: JMdict (EDRDG), CC BY-SA 4.0