TW Dictionary logoTW Dictionaryby Toppers' Wisdom

base

/beɪs/verb

उच्चारण बेस

(किसी चीज़ पर) आधारित करना

Core wordPYP · asked 6 times

Asked in previous papers

as idiom, synonym

SSC CGL Pre 2025SSC CPO Pre 2020SSC CPO Pre 2019SSC CHSL Pre 2020SSC Steno 2025
+1 moreSSC Selection Post Phase 13 2025
verb
  1. 1

    [T] ~ sth on/upon sth

    to use an idea, a fact or a situation as the point from which something can be developed

    (किसी चीज़ पर) आधारित करना

    • The film is based on a true story.
    • She based her argument on three facts.
    • The novel is based on events in the writer's village.
    + 2 more examples
    • Base your answer on what the passage says.
    • The prices are based on the cost of materials.

    Synonyms found ground build

  2. 2

    [T] ~ sb/sth (in/at…) usually passive

    to use a particular place as the main place where somebody works or lives

    (किसी जगह) मुख्यालय या ठिकाना बनाना

    • The company is based in Bengaluru.
    • a Delhi-based journalist
    • Her sister is based in Chennai.
    + 2 more examples
    • The firm is based near the airport.
    • He is a London-based engineer who often visits India.

    Synonyms locate station site

noun
  1. 1

    [C]

    the lowest part of something, especially the part on which it stands

    आधार, तल, नींव

    • the base of the statue
    • Measure the base of the triangle.
    • The vase has a wide, flat base.
    + 2 more examples
    • Cracks appeared at the base of the wall.
    • The base of the mountain is covered with pine trees.

    Synonyms bottom foot foundation

    Opposite top summit apex

  2. 2

    [C]

    the main place where a person or an organization works or lives from

    मुख्य केंद्र, ठिकाना, अड्डा

    • The climbers set up a base at 5,000 metres.
    • an army base
    • The team made a base near the foot of the mountain.
    + 2 more examples
    • Our school uses the town hall as a base for the annual fair.
    • The ship returned to its naval base.

    Synonyms headquarters centre station

  3. 3

    [C]

    the people or things from which something develops or draws its strength

    आधार, जड़, स्रोत

    • The party has a strong base among farmers.
    • a customer base
    • The singer has a loyal fan base.
    + 2 more examples
    • A strong industrial base helped the city grow.
    • The party widened its base in the cities.

    Synonyms foundation support core

  4. 4

    [C] chemistry

    a substance that can combine with an acid to form a salt

    (रसायन में) क्षार

    • Sodium hydroxide is a strong base.
    • Litmus paper turns blue when it is dipped in a base.
    • An acid and a base react to form salt and water.
    + 2 more examples
    • Soap solutions are mild bases.
    • The students tested whether the liquid was an acid or a base.

    Opposite acid

adjectiveliterary
  1. 1

    not having moral principles; dishonourable

    नीच, घटिया, अनैतिक

    • a base act of betrayal
    • Taking money from poor villagers was a base thing to do.
    • It was a base motive, driven only by greed.
    + 2 more examples
    • He was ashamed of his base conduct.
    • Her words showed a base opinion of other people.

    Synonyms ignoble mean contemptible

    Opposite noble honourable

§Structures (grammar patterns) 4

base sth on / upon sth

As a verb, base takes the thing and then on or upon the source. It is usually passive: be based on.

क्रिया के रूप में 'base' के बाद वस्तु और फिर आधार से पहले 'on' या 'upon' आता है। प्रायः passive में: 'be based on'।

  • The film is based on a true story.
  • Radhika based her essay on her own experience.

be based in / at + place

Be based in shows where a person or company has its main office or home.

'Be based in' बताता है कि किसी व्यक्ति या कंपनी का मुख्य कार्यालय या घर कहाँ है।

  • The firm is based in Hyderabad.
  • He is based at the Pune office.

base (noun) = bottom, support, or starting point

A base is the lowest part, or a foundation of an idea or business; a customer base is all the customers.

'Base' सबसे निचला भाग, या विचार/व्यवसाय की नींव है; 'customer base' सभी ग्राहकों का समूह है।

  • The base of the statue is made of marble.
  • The company has a large customer base.

base (adjective) = low, dishonourable

In formal writing, base describes a low moral motive, such as base greed.

औपचारिक लेखन में 'base' निम्न नैतिक उद्देश्य को बताता है, जैसे base greed।

  • He acted from base motives.
+Collocations 4

adverb + based

firmlylooselysolelylargelypartlymainly

  • The story is loosely based on history.

कहानी इतिहास पर कुछ-कुछ आधारित है।

noun + base

customermilitarypowerfantaxknowledge

  • The singer has a huge fan base.

गायक के प्रशंसकों का बहुत बड़ा आधार है।

verb + base

buildtouchreachleavemove

  • The climbers reached the base camp at dusk.

पर्वतारोही शाम को बेस कैंप पहुँचे।

based + on

on factson meriton evidenceon fearon trust

  • The decision was based on merit.

निर्णय योग्यता पर आधारित था।

“More examples 5
  • The army base is close to the border.

सेना का अड्डा सीमा के पास है।

  • Her argument is based on sound evidence.

उसका तर्क ठोस प्रमाणों पर आधारित है।

  • The company is based in Chennai but sells across India.

कंपनी चेन्नई में स्थित है पर पूरे भारत में बेचती है।

  • Strong basics form the base of good English.

मज़बूत बुनियादी बातें अच्छी English की नींव होती हैं।

  • The cake has a base of crushed biscuits.

केक का आधार पिसे हुए बिस्कुट का है।

!Common mistakes 3

✗ The film is based from a novel.

✓ The film is based on a novel.

The preposition after based is on, not from.

'Based' के बाद preposition 'on' आता है, 'from' नहीं।

✗ He is a Delhi based reporter.

✓ He is a Delhi-based reporter.

Compound adjectives before a noun need a hyphen.

Noun से पहले आने वाले compound adjective में hyphen लगता है।

✗ He based his argument in facts.

✓ He based his argument on facts.

Base takes on before the source.

आधार बताने के लिए 'base' के बाद 'on' आता है।

≠Thesaurus: which synonym when

Base, basis and foundation all mean support.

'Base', 'basis' और 'foundation' सभी आधार का अर्थ देते हैं।

base

The physical bottom or main place.

भौतिक निचला भाग या मुख्य स्थान।

  • The base of the tower is wide.

basis

The reason or principle behind something.

किसी चीज़ के पीछे का कारण या सिद्धांत।

  • On what basis was he selected?

foundation

The solid part under a building, or underlying idea.

इमारत के नीचे ठोस भाग, या मूल विचार।

  • The foundation was laid last year.
Idioms 3

touch base (with sb)

(informal) to make contact with sb again

(किसी से) फिर संपर्क करना, हालचाल लेना

  • I'll touch base with you after the meeting.
  • Let's touch base next week about the project.

off base

(North American, informal) completely wrong

पूरी तरह ग़लत

  • His guess about the result was way off base.
  • You're off base if you think she wants the job.

cover/touch all the bases

to deal with every part of a situation or every possible problem

हर पहलू का ध्यान रखना, कोई कसर न छोड़ना

  • Radhika's answer touched all the bases, so the examiner gave her full marks.
  • We need to cover all the bases before we launch the new course.
→Phrasal verbs 1

base sth on/upon sth

to use an idea or a fact as the point from which sth can be developed

किसी चीज़ को किसी आधार पर बनाना

  • The film is based on a true story.
  • Your answer should be based on the passage.
◇Word family
basic adj.basis nounbaseless adj.basement noun
≈Synonyms and antonyms
?Which word?

base, basis and bass

Base is the physical bottom or the place something works from; basis (plural bases) is the abstract reason or principle: 'on the basis of merit'. Bass, spelt differently but pronounced the same as base, is the lowest singing voice or a kind of guitar; the fish bass rhymes with 'mass'.

Base भौतिक तल या वह जगह है जहाँ से कुछ काम करता है; basis (plural bases) अमूर्त कारण या सिद्धांत है, जैसे 'on the basis of merit'। Bass, जिसकी spelling अलग पर उच्चारण base जैसा है, सबसे नीचा गायन-स्वर या एक गिटार है; मछली bass की तुकबंदी 'mass' से है।

The base/basis/bass set is a spelling and usage item.

Base, basis और bass का सेट spelling और usage में पूछा जाता है।

§Grammar and usage

Based on or upon (not 'based of' or 'based in' for ideas; based in is for places).

यह बहुत पूछा जाता है: based on या upon (विचारों के लिए 'based of' या 'based in' नहीं; based in जगहों के लिए)।

✓In the exam

General knowledge

Science: acids and bases; maths: base of a triangle, base of a number system.

विज्ञान में acids और bases; गणित में त्रिभुज का base, संख्या-प्रणाली का base।