different between speeding vs accelerate

English

Etymology

From speed +? -ing.

Pronunciation

• IPA^(key): /?spi?d??/
• Rhymes: -i?d??

Verb

speeding

1. present participle of speed

Adjective

speeding (not comparable)

1. Travelling very fast; moving at speed.
2. Specifically, travelling at an illegal speed (of vehicles, motorists).

   We were overtaken on the inside by a speeding motorcyclist.

3. Under the influence of the drug speed; high on amphetamines.
   • 2010, Patti Smith, Just Kids, Ecco 2010, p. 112:

     Bob Dylan composed “Sad-Eyed Lady of the Lowlands” on our floor, and a speeding Edie Sedgwick was said to have set her room on fire while gluing on her thick false eyelashes by candlelight.

Translations

Noun

speeding (countable and uncountable, plural speedings)

1. (countable) (Instance of) acceleration.
   • 1826, Roger North, The Lives of the Right Hon. Francis North, Baron Guilford; the Hon. Sir Dudley North; and the Hon. and Rev. Dr. John North

     […] a hearing, with a file of orders in the solicitor's bundle, as big as the common-prayer-book, for commissions, injunctions, publications, speedings, delayings, and other interlocutories; all dear ware to the client in every respect.

   • 1973, Oliver Sacks, Awakenings

     We have seen Parkinsonism as sudden starts and stops, as odd speedings and slowings.

2. (uncountable) Driving faster than the legal speed limit.

   He was fined $100 for speeding.

Translations

English

Etymology

First attested in the 1520s. Either from Latin acceler?tus, perfect passive participle of acceler? (“I accelerate, hasten”), formed from ad + celer? (“I hasten”), which is from celer (“quick”) (see celerity), or back-formation from acceleration.

Pronunciation

• (Received Pronunciation) IPA^(key): /?k.?s?l.?.??e?t/, /æk.?s?l.?.??e?t/, /?k.?s?l.?.??e?t/

Verb

accelerate (third-person singular simple present accelerates, present participle accelerating, simple past and past participle accelerated)

1. (transitive) To cause to move faster; to quicken the motion of; to add to the speed of.
2. (transitive) To quicken the natural or ordinary progression or process of.
3. (transitive, physics) To cause a change of velocity.
4. (transitive) To hasten, as the occurrence of an event.

5. (transitive, education) To enable a student to finish a course of study in less than normal time.
6. (intransitive) To become faster; to begin to move more quickly.
7. (intransitive) Grow; increase.
8. (obsolete) Alternative form of accelerated

Synonyms

• (to cause to move faster): hasten, quicken, speed up; see also Thesaurus:speed up
• (to quicken progress): expedite, further,
• (to hasten the occurrence of an event): advance, forward

Antonyms

• decelerate
• retard
• unaccelerate

Derived terms

Related terms

Translations

Adjective

accelerate

1. (rare) Accelerated; quickened; hastened; hurried.
   • 1662 Thomas Salusbury, Galileo's Dialogue Concerning the Two Chief World Systems, Dialogue 2:

     ... a general knowledg of the definition of motion, and of the distinction of natural and violent, even and accelerate, and the like, sufficing.

References

• John A. Simpson and Edward S. C. Weiner, editors (1989) , “accelerate”, in The Oxford English Dictionary, 2nd edition, Oxford: Clarendon Press, ?ISBN

Italian

Adjective

accelerate

1. feminine plural of accelerato

Verb

accelerate

1. second-person plural present indicative of accelerare
2. second-person plural imperative of accelerare
3. feminine plural of accelerato

Latin

Verb

acceler?te

1. second-person plural present active imperative of acceler?