wacky

B2 Topic:Describing Qualities

US /ˈwæki/ UK /ˈwæki/ See IPA manual

adj

Meanings

1

adj
amusingly eccentric or irrational

His wacky sense of humor always made us laugh.
2

adj
unpredictable or erratic

The weather has been wacky this week, with sudden changes.

Thesaurus

Synonyms

1 adj · amusingly eccentric or... quirky zanyoffbeatkookyoddball

2 adj · unpredictable or erratic crazynuttyloonybonkersmadcap

Opposites

normal conventional sensible

Etymology

From English dialectal wack- (foolish, crazy) + the adjective-forming suffix -y, giving 19th-century wacky (eccentric, odd); modern English wacky means playfully silly or unusual.

Topics

Describing Qualities

# wacky

**Type:** Word
**Level:** B2
**Part of speech:** adj
**IPA (US):** ˈwæki
**IPA (UK):** ˈwæki

## Meanings
1. amusingly eccentric or irrational
2. unpredictable or erratic

## Examples
- His wacky sense of humor always made us laugh.
- The weather has been wacky this week, with sudden changes.

## Synonyms
- quirky
- zany
- offbeat
- kooky
- oddball
- crazy
- nutty
- loony
- bonkers
- madcap

## Antonyms
- normal
- conventional
- sensible

## Etymology
From English dialectal wack- (foolish, crazy) + the adjective-forming suffix -y, giving 19th-century wacky (eccentric, odd); modern English wacky means playfully silly or unusual.

## AI Etymology
Wacky comes from English dialectal wack- (foolish, crazy) + the adjective-forming suffix -y, giving 19th-century wacky (eccentric, odd); modern English wacky means playfully silly or unusual. In current use it is an adjective meaning "amusingly eccentric or irrational". That sense is explained by the older material without requiring a speculative semantic step: the inherited or borrowed base supplies the field of meaning, while the English formation fixes its modern role. The surface form is compositional: its joined elements remain visible in the modern word. The word's history is thus visible in its construction: the components remain interpretable even after the whole expression has settled into a conventional English meaning.

## Topics
- Describing Qualities

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wacky

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