Speed (Noun)

Meaning ¹

The ratio of the focal length to the diameter of a (camera) lens system.

Classification

Nouns denoting relations between people or things or ideas.

Synonyms

• Stop Number
• F Number
• Focal Ratio

Hypernyms

• Ratio

Meaning ²

Changing location rapidly.

Classification

Nouns denoting acts or actions.

Synonyms

• Hurrying
• Speeding

Hypernyms

• Movement
• Move

Hyponyms

• Scudding
• Speedup
• Quickening

Related Words

• Speedy (adjective)
• Speed (verb)

Meaning ³

A rate (usually rapid) at which something happens; "the project advanced with gratifying speed".

Classification

Nouns denoting attributes of people and objects.

Synonyms

• Swiftness
• Fastness

Hypernyms

• Rate

Hyponyms

• Hastiness
• Hurriedness
• Precipitation
• Gradualness
• Hurry

Related Words

• Speedy (adjective)
• Speed (verb)

Meaning ⁴

Distance travelled per unit time.

Classification

Nouns denoting time and temporal relations.

Synonyms

• Velocity

Hyponyms

• C
• Light Speed

Related Words

• Speedy (adjective)
• Speed (verb)

Meaning ⁵

A central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression.

Classification

Nouns denoting man-made objects.

Synonyms

• Upper
• Amphetamine
• Pep Pill

Hypernyms

• Street Drug
• Stimulant Drug
• Drug Of Abuse
• Excitant
• Stimulant

Hyponyms

• Deoxyephedrine
• Dextroamphetamine Sulphate
• Benzedrine
• Amphetamine Sulfate
• Crank
• Shabu
• Methamphetamine
• Glass
• Dexedrine
• Chalk
• Chicken Feed
• Trash
• Amphetamine Sulphate
• Methedrine
• Methamphetamine Hydrochloride
• Bennie
• Ice