adj · det · noun · 4 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
Received-Pronunciation:/ˌwʌnəʊˈwʌn/
General-American:/ˌwʌnˌoʊˈwʌn/
General-American:Recorded audio is listed in the source snapshot.
rhymes with -ʌn
Received-Pronunciation:/ə ˌhʌndɹəd n̩ ˈwʌn/
Received-Pronunciation:/ˌwʌn ˌhʌndɹəd n̩ ˈwʌn/
General-American:/ə ˌhʌndɹəd n̩ ˈwʌn/
General-American:/ˌwʌn ˌhʌndɹəd(n̩)ˈwʌn/
1
adj
Meaning 1
Of a fact, subject, etc.: basic, beginner-level, elementary.
Definition source: English Wiktionary via Wiktextract
Usage: Canada, US, humorous, not-comparable
Qualifier: alone or postpositive
Examples
Geology 101 tells us that you can’t build a reservoir on sandstone.
My dog flunked out of Crate Training 101.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
det
Meaning 2
Alternative form of one hundred and one (“a great many; numerous”).
Definition source: English Wiktionary via Wiktextract
Usage: alt-of, alternative, idiomatic
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
An introduction to a topic; a rundown of its basics.
Definition source: English Wiktionary via Wiktextract
Usage: informal
Examples
I need you to give me a quick 101 on how you assemble the WIP reports.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
adjective satellite
Meaning 4
being one more than one hundred
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: hundred and one, one hundred one, ci
Antonyms: none provided
History
Etymology
From 1 + 0 + 1, from the method of numbering courses in United States colleges, the initial or introductory course commonly being numbered “101”; for example, “Biology 101”.
A variant of one hundred and one.
Across languages
Translations
29 source translations are retained for this English entry.
Czech:
úvodní
— of a fact, subject, etc.: basic, beginner-level, elementary — see also basic, elementary
Czech:
začátečnický
— of a fact, subject, etc.: basic, beginner-level, elementary — see also basic, elementary
Czech:
základní
— of a fact, subject, etc.: basic, beginner-level, elementary — see also basic, elementary
Dutch:
les één
— of a fact, subject, etc.: basic, beginner-level, elementary — see also basic, elementary
Esperanto:
enkonduka
— of a fact, subject, etc.: basic, beginner-level, elementary — see also basic, elementary
Esperanto:
baza
— of a fact, subject, etc.: basic, beginner-level, elementary — see also basic, elementary
Finnish:
alkeet
— of a fact, subject, etc.: basic, beginner-level, elementary — see also basic, elementary
Finnish:
alkeis-
— of a fact, subject, etc.: basic, beginner-level, elementary — see also basic, elementary
French:
élémentaire
— of a fact, subject, etc.: basic, beginner-level, elementary — see also basic, elementary
French:
l'abc de
— of a fact, subject, etc.: basic, beginner-level, elementary — see also basic, elementary
French:
le b.a.-ba de
— of a fact, subject, etc.: basic, beginner-level, elementary — see also basic, elementary
French:
les bases de
— of a fact, subject, etc.: basic, beginner-level, elementary — see also basic, elementary
German:
Einführung
— of a fact, subject, etc.: basic, beginner-level, elementary — see also basic, elementary
German:
Einmaleins
— of a fact, subject, etc.: basic, beginner-level, elementary — see also basic, elementary
German:
für Anfänger
— of a fact, subject, etc.: basic, beginner-level, elementary — see also basic, elementary
Hungarian:
alapjai
— of a fact, subject, etc.: basic, beginner-level, elementary — see also basic, elementary
Hungarian:
bevezető
— of a fact, subject, etc.: basic, beginner-level, elementary — see also basic, elementary
Hungarian:
egyszeregy
— of a fact, subject, etc.: basic, beginner-level, elementary — see also basic, elementary
Hungarian:
kezdőknek
— of a fact, subject, etc.: basic, beginner-level, elementary — see also basic, elementary
Japanese:
入門
(nyūmon)
— of a fact, subject, etc.: basic, beginner-level, elementary — see also basic, elementary
Polish:
abc
— of a fact, subject, etc.: basic, beginner-level, elementary — see also basic, elementary
Polish:
od początku
— of a fact, subject, etc.: basic, beginner-level, elementary — see also basic, elementary
Polish:
początkujący
— of a fact, subject, etc.: basic, beginner-level, elementary — see also basic, elementary
Polish:
podstawy
— of a fact, subject, etc.: basic, beginner-level, elementary — see also basic, elementary
Russian:
основы
(osnovy)
— of a fact, subject, etc.: basic, beginner-level, elementary — see also basic, elementary
Russian:
для чайников
(dlja čajnikov)
— of a fact, subject, etc.: basic, beginner-level, elementary — see also basic, elementary
Spanish:
introducción a ...
— of a fact, subject, etc.: basic, beginner-level, elementary — see also basic, elementary
Swedish:
abc
— of a fact, subject, etc.: basic, beginner-level, elementary — see also basic, elementary
Vietnamese:
nhập môn
— of a fact, subject, etc.: basic, beginner-level, elementary — see also basic, elementary