spontaneous implies lack of prompting and connotes naturalness.
a spontaneous burst of applause
impulsive implies acting under stress of emotion or spirit of the moment.
impulsive acts of violence
instinctive stresses action involving neither judgment nor will.
blinking is an instinctive reaction
automatic implies action engaging neither the mind nor the emotions and connotes a predictable response.
his denial was automatic
mechanical stresses the lifeless, often perfunctory character of the response.
a mechanical teaching method
Example Sentences
Adjective The flight was delayed because of mechanical problems. I was impressed by her mechanical know-how. She gave a mechanical reply. Copying down the numbers is a boring and mechanical job. The actor gave a stiff and mechanical performance.
Recent Examples on the Web
Adjective
In New Hampshire, all mechanical amusement rides must be inspected by the Division of Fire Safety at least once a year and registered before it can be operated. Breanne Kovatch, BostonGlobe.com, 27 Aug. 2022 Memphis Kiddie Park opened with nine mechanical rides, including the train, merry-go-round, airplanes, hand cars, boats, Ferris Wheel, jeeps, Skyfighters and the Little Dipper. John Benson, cleveland, 16 May 2022 Hyundais equipped with ignitions requiring mechanical keys. Audrey Conklin, Fox News, 5 Sep. 2022 Inside, a dainty mechanical tourbillon movement proves this beauty has brains. Victoria Gomelsky, Robb Report, 5 Sep. 2022 With those two mechanical switches, Nelson has gotten back to something resembling his 2021 form. Theo Mackie, The Arizona Republic, 5 Sep. 2022 However, engineers at NASA and the Massachusetts Institute of Technology have tested a mechanical tree with the potential to make the red planet more hospitable for astronauts. Ashley Strickland And Katie Hunt, CNN, 3 Sep. 2022 The Transportation Department launched a dashboard Thursday that shows what amenities and services an airline will provide to passengers if there is a delay or cancellation within an airline’s control, such as a staffing or mechanical issue. Joseph Pisani, WSJ, 2 Sep. 2022 From a mechanical standpoint, the gameplay mostly revolves around exploring linear stretches of the world in the third-person. Christopher Cruz, Rolling Stone, 2 Sep. 2022 See More
Word History
First Known Use
Adjective
15th century, in the meaning defined at sense 1a(1)