Word | Noun | Adjective | Verb | Adverb |
---|---|---|---|---|
speed | Yes | No | Yes | No |
flutter | Yes | No | Yes | No |
speed (noun) | flutter (noun) |
---|---|
changing location rapidly | the act of moving back and forth |
a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression | the motion made by flapping up and down |
a rate (usually rapid) at which something happens | abnormally rapid beating of the auricles of the heart (especially in a regular rhythm); can result in heart block |
the ratio of the focal length to the diameter of a (camera) lens system | a disorderly outburst or tumult |
distance travelled per unit time |
speed (verb) | flutter (verb) |
---|---|
move faster | wink briefly |
cause to move faster | beat rapidly |
move very fast | move back and forth very rapidly |
travel at an excessive or illegal velocity | move along rapidly and lightly; skim or dart |
move hurridly | flap the wings rapidly or fly with flapping movements |