different between outspeed vs overspeed

English

Etymology

From Middle English outspeden (“to hurry out; hasten away; succeed”), equivalent to out- +? speed.

Verb

outspeed (third-person singular simple present outspeeds, present participle outspeeding, simple past and past participle outsped or outspeeded)

1. (transitive) To exceed in speed or velocity; outstrip.

English

Etymology

From over- +? speed.

Pronunciation

• (General American) IPA^(key): /?o?v?r?spid/
• (Received Pronunciation) IPA^(key): /???v??spi?d/
• Hyphenation: over?speed

Verb

overspeed (third-person singular simple present overspeeds, present participle overspeeding, simple past and past participle (mostly US) oversped or (mostly UK) overspeeded)

1. (intransitive) To travel excessively fast or beyond the permitted rate.

   • Caully-flowers over-speeding to pome and head..should be quite erradicated ^{[sic, meaning eradicated]}.

2. (usually transitive, sometimes intransitive, chiefly mechanics) To operate an engine or machine too fast.

   • The device should be periodically tested by overspeeding the engine say once a month.

Translations

Noun

overspeed (countable and uncountable, plural overspeeds)

1. Speed that exceeds a reasonable or permitted rate.

   • Trashes are clogs strapped round the neck of a dog to prevent his overspeed.

Antonyms

• underspeed

Translations

References

• “overspeed”, in OED Online ?, Oxford, Oxfordshire: Oxford University Press, launched 2000
• “overspeed”, in OED Online ?, Oxford, Oxfordshire: Oxford University Press, launched 2000
• “overspeed”, in Lexico, Dictionary.com; Oxford University Press, 2019–present.