No, it is not. Speed can be a verb, or a noun meaning velocity. It can be a noun adjunct in terms such as the idiomatic "speed trap."
Supersonic speed is a rate of travel of an object that exceeds the speed of sound. At the beginning of 20th century, the term supersonic was used as an adjective to describe sound whose frequency is above the range of normal human hearing. Speeds greater than five times the speed of sound are often referred to as hypersonic.
The word 'racers' is a noun, the plural form of the noun 'racer', a word for someone who drives racing cars at high speeds or a fast car that competes in races; a word for a person and a thing.
# The cheetah, which can reach speeds up to 65mph. # The pronghorn antelope, speeds up to 53mph. # The Mongolian gazelle, speeds up to 50mph. # The Springbok, speeds up to 50mph. # Grant's Gazelle, speeds up to 47mph. # Thomson's Gazelle, speeds up to 47mph. # The European hare, with speeds up to 43mph.
Suck my balls
No, it is a verb or a noun (to go around, to surround; a round shape). The adjective form is circular.
It is an adjective.It is a an adjective.
Cautious IS an adjective. An adjective is an action!
An adjective
it is an adjective!
No. It is not an adjective. An adjective describes something.
No, it is an adverb. The adjective is clumsy.
It can be. "Ideal" is an adjective and a noun.