challenging
/ˈt͡ʃæl.ɪn.d͡ʒɪŋ/adjective, noun, verb
challenging is spelled C-H-A-L-L-E-N-G-I-N-G. The wrong spelling people search most is chalenging: about 20 Bing searches a month in the United States (September 2025 to August 2026), about 1 in 56 of all searches for the word. Challenging is an adjective meaning “Difficult, hard to do”.
How many letters and syllables are in challenging?
| Letters | 11: C-H-A-L-L-E-N-G-I-N-G |
|---|---|
| Syllables | 3 (from its American pronunciation) |
| In writing | 19 times per million words; the 4,521st most frequent word form |
| Wrong spellings searched | 1; the most searched, chalenging, about 20 Bing searches a month (all of them) |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026).
How do you spell challenging?
Challenging is spelled C-H-A-L-L-E-N-G-I-N-G. One wrong spelling is searched or written often enough to measure; together they are about 1 in 57 of the searches for challenging in either form.
Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026). Wrong spellings are taken from Wiktionary entries tagged "misspelling" and its obsolete or nonstandard forms, Wikipedia's Lists of common misspellings and the codespell dictionary, then measured. The proofreader's marks show the change that corrects each one.
How common is challenging?
Challenging appears 19 times per million words in written English, the 4,521st most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce challenging?
- /ˈt͡ʃæl.ɪn.d͡ʒɪŋ/
- /ˈt͡ʃæl.ən.d͡ʒɪŋ/
Challenging has 3 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-challenging.wav, Wikimedia Commons (author and licence on each file's page).
Forms of challenging
- more challenging comparative
- most challenging superlative
- challengings plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does challenging mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
Difficult, hard to do.
noun
- 1
The act of making a challenge.
verb
- 1
present participle and gerund of challenge
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Challenging in Spanish, French, German and Portuguese
In the sense difficult; hard to do:
| Language | Words |
|---|---|
| French | difficile, stimulant, éprouvant |
| German | anspruchsvoll, herausfordernd |
| Portuguese | desafiador |
| Spanish | retante, retador, suponer un reto |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does challenging come from?
From Middle English chalengynge; equivalent to challenge + -ing.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).