Also found in: Thesaurus, Encyclopedia.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.three-year-old - three years of age
young, immature - (used of living things especially persons) in an early period of life or development or growth; "young people"


(θriː) noun
1. the number or figure 3.
2. the age of 3.
1. 3 in number.
2. aged 3.
having three (of something). a three-page letter.
ˌthree-diˈmensional adjective
(abbreviation 3–D) having three dimensions, ie height, width and depth.
three-ˈquarter adjective
not quite full-length. a three-quarter (-length) coat.
ˈthree-year-old noun
a person or animal that is three years old.
(of a person, animal or thing) that is three years old.
References in classic literature ?
After each repulse, when the old wolf sheered abruptly away from the sharp-toothed object of his desire, he shouldered against a young three-year-old that ran on his blind right side.
The three-year-old grew too ambitious in his fierceness.
There was no telling what the outcome would have been, for the third wolf joined the elder, and together, old leader and young leader, they attacked the ambitious three-year-old and proceeded to destroy him.
And in the business of love the three-year-old, who had made this his first adventure upon it, yielded up his life.
One of the horses, a sleek, dark-brown three-year-old, seeing the dog, started away, switched its tail and snorted.
When they reached a gravel path behind the house the Frenchman pulled Pierre by the arm and pointed to a round, graveled space where a three-year-old girl in a pink dress was lying under a seat.
Practically every three-year-old would choose to sit in front of a TV, and watch mindless programmes for long periods at a time, if they were allowed to do so.
A THREE-YEAR-OLD British girl has gone missing while on a family holiday in Portugal.
Three-year-old Mark Rigby, from Mill Hill Road, Irby, Wirral, had been staying in a tent for three days last July with his father, Christopher, and two-and-a-half year old brother, Ben.
But in spite of this modest revival in residual values, the average second hand prices for three-year-old cars currently remain around pounds 325 behind the level seen at the start of 2005 and Eurotax Glass's forecasts that values will start easing back at a slightly faster rate during the coming months.
The three-year-old will be targeted at the King's Stand Stakes after a telling turn of foot over a furlong out in the five-furlong Listed contest.
Obese three-year-old died of heart failure:A three-year-old child died from heart failure brought on through obesity, it emerged last night.