Thesaurus.com
Dictionary.com
Showing results for ultrasonic.
Definitions

ultrasonic

[uhl-truh-son-ik] / ˌʌl trəˈsɒn ɪk /
ADJECTIVE
speedy
Synonyms
STRONGEST
accelerated brisk expeditious hasty hurried immediate prompt rapid swift
WEAK
agile alacritous breakneck express fleet harefooted headlong lissome lively nimble precipitate quick-fire rapid-fire ready snappy split-second summary supersonic winged
Antonyms
STRONGEST
delayed leisurely slow sluggish
WEAK
halted slowed tardy

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Tesla’s vehicles are equipped with cameras and onboard computers—and previously, ultrasonic sensors and radar—that enable those functions.

From The Wall Street Journal • Apr. 20, 2026

The Afeela 1 was equipped with 18 cameras, nine radars, 12 ultrasonic sensors and lidar — allowing it to qualify for level two autonomy, which requires a driver in control.

From Los Angeles Times • Mar. 26, 2026

The new findings suggest that ultrasonic repellents might be used to discourage hedgehogs from entering roads and other dangerous areas.

From Science Daily • Mar. 12, 2026

He added the ultrasonic speakers are lowered into the seabed "a bit like a lobster pot".

From BBC • Feb. 10, 2026

The repellant effect of bursts of ultrasonic sound is being tested in Canada against corn borer and cutworm moths.

From "Silent Spring" by Rachel Carson

Vocabulary lists containing ultrasonic

"Animal Snoops," Vocabulary from the informational text

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!