Synonym of knock down ginger (“prank of knocking on a front door and running away”)

A genius depends more on hard work than imagination.

(astronomy, slightly dated, mnemonic) Used to remember the order and names of the nine planets of the solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto.

The cardinal number occurring after eighteen and before twenty, represented in Roman numerals as XIX and in Arabic numerals as 19. It is the last/largest of the "teens".

The cardinal number occurring after eighty-nine and before ninety-one, represented in Roman numerals as XC and in Arabic numerals as 90.

The ordinal form of the number nineteen.

The person or thing in the nineteenth position. / One of nineteen equal parts of a whole.

The ordinal form of the number ninety.

The person or thing in the ninetieth position. / One of ninety equal parts of a whole.

The cardinal number immediately following ninety-seven — ninety plus eight — and preceding ninety-nine.