whistle

As nouns the difference between whiskers and whistle

is that whiskers is while whistle is a device designed to be placed in the mouth in order, or driven by steam or otherwise, to make a whistling sound.

As a verb whistle is

(ambitransitive) to make a shrill, high-pitched sound by forcing air through the mouth to produce a whistling sound, restrictions to the flow of air are created using the teeth, tongue and lips.

As nouns the difference between whistle and pennywhistle

is that whistle is a device designed to be placed in the mouth in order, or driven by steam or otherwise, to make a whistling sound while pennywhistle is a six-holed flute-like instrument with a fipple they have approximately a two octave range (sometimes a little higher) stereotypically, they are made out of tin, but in reality they come in all sorts of varieties, including tin, brass, nickel, cane, polymer, etc.

As a verb whistle

is (ambitransitive) to make a shrill, high-pitched sound by forcing air through the mouth to produce a whistling sound, restrictions to the flow of air are created using the teeth, tongue and lips.

As nouns the difference between whistle and whistling

is that whistle is a device designed to be placed in the mouth in order, or driven by steam or otherwise, to make a whistling sound while whistling is a shrill, breathy sound; a whistle.

As verbs the difference between whistle and whistling

is that whistle is (ambitransitive) to make a shrill, high-pitched sound by forcing air through the mouth to produce a whistling sound, restrictions to the flow of air are created using the teeth, tongue and lips while whistling is .

As nouns the difference between whistle and shirt

is that whistle is a device designed to be placed in the mouth in order, or driven by steam or otherwise, to make a whistling sound while shirt is an article of clothing that is worn on the upper part of the body, and often has sleeves, either long or short, that cover the arms.

As verbs the difference between whistle and shirt

is that whistle is (ambitransitive) to make a shrill, high-pitched sound by forcing air through the mouth to produce a whistling sound, restrictions to the flow of air are created using the teeth, tongue and lips while shirt is to cover or clothe with a shirt, or as if with a shirt.

As nouns the difference between whistle and book

is that whistle is a device designed to be placed in the mouth in order, or driven by steam or otherwise, to make a whistling sound while book is book.

As a verb whistle

is (ambitransitive) to make a shrill, high-pitched sound by forcing air through the mouth to produce a whistling sound, restrictions to the flow of air are created using the teeth, tongue and lips.

As a noun whistle

is a device designed to be placed in the mouth in order, or driven by steam or otherwise, to make a whistling sound.

As a verb whistle

is (ambitransitive) to make a shrill, high-pitched sound by forcing air through the mouth to produce a whistling sound, restrictions to the flow of air are created using the teeth, tongue and lips.

As an adjective false is

(label) one of two states of a boolean variable; logic.

As verbs the difference between referee and whistle

is that referee is while whistle is (ambitransitive) to make a shrill, high-pitched sound by forcing air through the mouth to produce a whistling sound, restrictions to the flow of air are created using the teeth, tongue and lips.

As a noun whistle is

a device designed to be placed in the mouth in order, or driven by steam or otherwise, to make a whistling sound.

As nouns the difference between whistle and whizz

is that whistle is a device designed to be placed in the mouth in order, or driven by steam or otherwise, to make a whistling sound while whizz is .

As verbs the difference between whistle and whizz

is that whistle is (ambitransitive) to make a shrill, high-pitched sound by forcing air through the mouth to produce a whistling sound, restrictions to the flow of air are created using the teeth, tongue and lips while whizz is .

As a noun whistle

is a device designed to be placed in the mouth in order, or driven by steam or otherwise, to make a whistling sound.

As a verb whistle

is to make a shrill, high-pitched sound by forcing air through the mouth. To produce a whistling sound, restrictions to the flow of air are created using the teeth, tongue and lips.

As a determiner his is

belonging to him.

As a pronoun his is

that which belongs to him; the possessive case of he, used without a following noun.