Synonym: 40, XL, twoscore, xl. Similar words: forty-four, dirty, party, martyr, hearty, puberty, property, liberty. Meaning: ['fɔrtɪ /'fɔːt-] 
n. the cardinal number that is the product of ten and four. adj. being ten more than thirty.
n. the cardinal number that is the product of ten and four. adj. being ten more than thirty. 
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1, A fool at forty is a fool indeed. 
2, Life begins at forty.
3, The atlas contains forty maps.
4, Forty years have passed away since they met.
5, We've still got another forty miles to go.
6, It was forty five minutes before she returned.
7, We catered for forty but only twenty came.
8, There are forty people in the classroom.
9, He will be forty on his next birthday.
10, Forty lambs were born this spring.
11, It's forty miles from here to the Polish border.
12, She is a woman nearing forty.
13, Though he is forty, he is still unmarried.
14, In summer, the temperature sometimes climbs up to forty degrees centigrade.
15, He had a chequered political career spanning nearly forty years.
16, Every man at forty is a fool or a physician.
17, Forty per cent of the population is suffering from malnutrition.
18, Give yourself forty minutes at the outside.
19, I judged him to be about forty.
20, She gets through forty cigarettes a day.
21, He sat in Parliament for over forty years.
22, She recalled her first television appearance forty years ago.
23, She can't be more than forty.
24, I managed to get forty winks after lunch.
25, At twenty years of age, the will reigns; at thirty, the wit ; and at forty,[http://sentencedict.com/forty.html] the judgment.
26, Watch the monitor and tell me if the level goes above forty decibels.
27, I went through my midlife crisis about four or five years ago, when I was forty.
28, In full light, you could see Alison was well over forty.
29, The shock of the explosion was felt over a radius of forty miles.
30, Our coach was caught in a traffic jam and got to Heathrow forty minutes late.
More similar words: forty-four, dirty, party, martyr, hearty, puberty, property, liberty, poverty, courtyard, martyrdom, third party, multiparty, poverty line, private property, political party, federalist party, tort, sort, north, port, norther, forte, forth, abort, comfort, short, effort, worth, northern.