Antonyms

1. high-octane

adjective. used of gasoline; having a high octane number.

Antonyms

  • unpowered

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Rhymes with High Octane

2. high-pitched

adjective. used of sounds and voices; high in pitch or frequency.

Synonyms

  • tenor
  • sopranino
  • shrill
  • high
  • pinched
  • falsetto
  • adenoidal
  • treble
  • screaky
  • alto
  • spiky
  • pitch
  • squealing
  • sharp
  • peaky
  • nasal
  • soprano
  • screechy
  • squeaking
  • squeaky
  • altissimo

Antonyms

  • colorless
  • beseeching
  • short
  • down

3. high-octane

adjective. vigorously energetic or forceful.

Synonyms

  • high-energy
  • high-voltage
  • high-power
  • high-powered
  • dynamical

Antonyms

  • lethargic
  • disincentive
  • stative
  • low-tension

4. high

adjective. ['ˈhaɪ'] greater than normal in degree or intensity or amount.

Synonyms

  • grade
  • full
  • utmost
  • broad
  • higher
  • superior
  • advanced
  • graduate
  • degree
  • postgraduate
  • level
  • soaring

Antonyms

  • inferior
  • ascend
  • rise
  • pointless

Etymology

  • high (Middle English (1100-1500))
  • hiȝe (Middle English (1100-1500))

5. high

adjective. ['ˈhaɪ'] (literal meaning) being at or having a relatively great or specific elevation or upward extension (sometimes used in combinations like `knee-high').

Synonyms

  • up
  • high-altitude
  • high-level
  • height
  • tall
  • high-stepped
  • soaring
  • commanding
  • high-top
  • steep
  • overlooking
  • tallness
  • high-topped
  • eminent
  • top
  • altitudinous
  • dominating
  • upper
  • lofty
  • towering

Antonyms

  • down
  • side
  • bottom
  • low

Etymology

  • high (Middle English (1100-1500))
  • hiȝe (Middle English (1100-1500))

6. high

adverb. ['ˈhaɪ'] at a great altitude.

Antonyms

  • forceless

Etymology

  • high (Middle English (1100-1500))
  • hiȝe (Middle English (1100-1500))

7. high

adjective. ['ˈhaɪ'] standing above others in quality or position.

Synonyms

  • superior

Antonyms

  • gradual
  • pleasant

Etymology

  • high (Middle English (1100-1500))
  • hiȝe (Middle English (1100-1500))

8. high

adjective. ['ˈhaɪ'] used of sounds and voices; high in pitch or frequency.

Synonyms

  • tenor
  • sopranino
  • shrill
  • pinched
  • falsetto
  • adenoidal
  • treble
  • screaky
  • alto
  • spiky
  • pitch
  • squealing
  • sharp
  • peaky
  • nasal
  • soprano
  • screechy
  • squeaking
  • squeaky
  • altissimo
  • high-pitched

Antonyms

  • dull
  • dullness
  • unperceptive
  • stupid

Etymology

  • high (Middle English (1100-1500))
  • hiȝe (Middle English (1100-1500))

9. high

noun. ['ˈhaɪ'] a lofty level or position or degree.

Synonyms

  • level
  • grade

Antonyms

  • asleep
  • decrease
  • unfinished

Etymology

  • high (Middle English (1100-1500))
  • hiȝe (Middle English (1100-1500))

10. high

adjective. ['ˈhaɪ'] happy and excited and energetic.

Synonyms

  • elated

Antonyms

  • colorless
  • beseeching

Etymology

  • high (Middle English (1100-1500))
  • hiȝe (Middle English (1100-1500))

Sentences with high-octane


1. Noun Phrase
The high octane level will allow the car to maintain proper horsepower levels and prevent engine knocking that can be harmful.

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