wacky
wack·y/ˈwæk.iː/adjective, noun
wacky is spelled W-A-C-K-Y: 5 letters and 2 syllables (wack·y). It appears 1.9 times per million words in written English, the 19,825th most frequent word form (wordfreq, 2021 data). People search “wacky vs whacky” about 10 times a month (Bing, United States). As an adjective, wacky means “Zany; eccentric” (English Wiktionary, September 2026).
How many letters and syllables are in wacky?
| Letters | 5: W-A-C-K-Y |
|---|---|
| Syllables | 2: wack·y |
| In writing | 1.9 times per million words; the 19,825th most frequent word form |
| Wrong spellings searched | none measured in search |
| Pairs people search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; 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 common is wacky?
Wacky appears 1.9 times per million words in written English, the 19,825th 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 wacky?
- /ˈwæk.iː/
Wacky has 2 syllables, split wack·y in writing.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-wacky.wav, Wikimedia Commons (author and licence on each file's page).
Words people confuse with wacky
Word pairs people search, with the monthly searches for “a vs b” (G: Google, B: Bing, United States).
Also written: whacky.
Sources: Google and Bing searches (September 2025 to August 2026, through DataForSEO); English Wiktionary (homophones, alternative spellings).
Forms of wacky
- wackier comparative
- wackiest superlative
- whacky
- wackies plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does wacky mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
informalslangZany; eccentric.
noun
- 1
Alternative form of wacke.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does wacky come from?
From whack (“someone who whacked his head onto something often, hence being weird”) + -y.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).