fool
How to Use Fool
Learner’s notesIn plain EnglishSomeone who lacks good judgment, or the act of deceiving someone; also a fruity British dessert.
The dessert sense is unrelated to the "silly person" sense in most people's minds, though both trace back to the same word.
Word Forms
fooler comparative, more fool comparative, fooled past tense, fools plural, fools plural, fools singular, foolest superlative, most fool superlative
Fill the Gap
Can you complete this real example?
Only a _____ would invest his life savings without doing any research.
Etymology
From Old French fol, "mad," ultimately from Latin follis, "bellows" or "bag of air" — the idea being a fool is all wind, no substance.