MECHANICAL Synonyms: 170 Similar and Opposite Words

Q: How is the word 'mechanical' distinct from other similar adjectives?

Some common synonyms of mechanical are automatic , impulsive , instinctive , and spontaneous . While all these words mean "acting or activated without deliberation," mechanical stresses the lifeless, often perfunctory character of the response. // a mechanical teaching method

Q: When might 'automatic' be a better fit than 'mechanical'?

While in some cases nearly identical to mechanical , automatic implies action engaging neither the mind nor the emotions and connotes a predictable response. // his denial was automatic

Q: When would 'impulsive' be a good substitute for 'mechanical'?

While the synonyms impulsive and mechanical are close in meaning, impulsive implies acting under stress of emotion or spirit of the moment. // impulsive acts of violence

Q: When can 'instinctive' be used instead of 'mechanical'?

The synonyms instinctive and mechanical are sometimes interchangeable, but instinctive stresses action involving neither judgment nor will. // blinking is an instinctive reaction

Q: When is 'spontaneous' a more appropriate choice than 'mechanical'?

Although the words spontaneous and mechanical have much in common, spontaneous implies lack of prompting and connotes naturalness. // a spontaneous burst of applause

mechanical

adjective

mi-ˈka-ni-kəl

Definition of mechanical

as in automatic

done instantly and without conscious thought or decision the waiter's mechanical reply of "Everything on the menu is good"

Synonyms & Similar Words

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Antonyms & Near Antonyms

as in unnatural

lacking in natural or spontaneous quality a somewhat mechanical vocal performance

Synonyms & Similar Words

Antonyms & Near Antonyms

Synonym Chooser

How is the word mechanical distinct from other similar adjectives?

Some common synonyms of mechanical are automatic, impulsive, instinctive, and spontaneous. While all these words mean "acting or activated without deliberation," mechanical stresses the lifeless, often perfunctory character of the response.

a mechanical teaching method

When might automatic be a better fit than mechanical?

While in some cases nearly identical to mechanical, automatic implies action engaging neither the mind nor the emotions and connotes a predictable response.

his denial was automatic

When would impulsive be a good substitute for mechanical?

While the synonyms impulsive and mechanical are close in meaning, impulsive implies acting under stress of emotion or spirit of the moment.

impulsive acts of violence

When can instinctive be used instead of mechanical?

The synonyms instinctive and mechanical are sometimes interchangeable, but instinctive stresses action involving neither judgment nor will.

blinking is an instinctive reaction

When is spontaneous a more appropriate choice than mechanical?

Although the words spontaneous and mechanical have much in common, spontaneous implies lack of prompting and connotes naturalness.

a spontaneous burst of applause

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of mechanical The quantum mechanical explanation is it’s described by a wave, and the wave is a non-local thing that spreads out over space. — Quanta Magazine, 17 Sep. 2026 The vehicle, which had 130,000 miles showing on its odometer, was in need of a serious mechanical overhaul, though. — Bryan Hood, Robb Report, 17 Sep. 2026 Aviation experts told The Times the crash might be the result of a mechanical failure with the 22-year-old aircraft, a common helicopter for news and law enforcement organizations because of its general reliability. — Hannah Fry, Los Angeles Times, 16 Sep. 2026 There’s often also a lot of noise and luck in any three-game stretch, but those mechanical changes, at the very least, are likely benefitting him. — Eno Sarris, New York Times, 10 Sep. 2026 See All Example Sentences for mechanical

Recent Examples of Synonyms for mechanical

Adjective

Security Accounting software contains sensitive financial information, so only consider a platform with strong security measures like encryption, secure bank connections, authentication and automatic data backups.

— Carson Brunson, CNBC, 24 Sep. 2026
District title races rev up Friday night with 14 of the Sentinel Super 16 teams playing games that count in the chase for automatic state playoff berths.

— Buddy Collings, The Orlando Sentinel, 24 Sep. 2026

Definition of automatic

Adjective

Generated by an internal large language model (LLM), OpenAI’s proof relies on an approach that many experts find unnatural.

— Joseph Howlett, Scientific American, 21 Sep. 2026
Some deepfakes still have telltale flaws such as unnatural facial movements, lip-sync glitches, robotic speech or awkward pauses — but the technology is rapidly improving, a spokesperson for the organization said.

— Emily Elconin for CNN, CNN Money, 15 Sep. 2026

Definition of unnatural

Adjective

Solo will first fly on the DeepSpace-2 mission, which will launch on the same SpaceX Falcon 9 rocket slated to send Intuitive Machines' third robotic lunar lander toward the moon later this year.

— Mike Wall, Space.com, 23 Sep. 2026
The Canadian Space Agency was on the hook to build a robotic arm for the Gateway outpost, improving on the Canadian robotics systems used on the Space Shuttle and the International Space Station.

— Stephen Clark, ArsTechnica, 22 Sep. 2026

Definition of robotic

Adjective

Allegheny Health Network put its emergency trauma center network to the test Thursday with a first-of-its-kind mock river rescue exercise for the network at Allegheny General Hospital.

— Jessica Riley, CBS News, 17 Sep. 2026
The definitive description of Clarus appears in a mock technical note written by Apple developer-support staffer Mark Harlan in 1989 that has long since vanished from the web.

— Rob Pegoraro, PC Magazine, 17 Sep. 2026

Definition of mock

Adjective

Parched fields force hydroponic growers, vegetable farmers and fruit producers to halt harvests, sell off underfed livestock at rock-bottom prices and even return to mechanic jobs to survive.

— Dánica Coto, Los Angeles Times, 26 Aug. 2026
There are exceptions and one is Hig (Elordi), who before the virus hit was a mechanic living a good life with his pregnant wife and new puppy.

— Pete Hammond, Deadline, 25 Aug. 2026

Definition of mechanic

Adjective

Harris has a strained relationship with the party's progressive wing, which includes El-Sayed, and El-Sayed is eager to solidify establishment support during his campaign against Republican nominee Mike Rogers, a former congressman.

— ABC News, ABC News, 21 Sep. 2026
The nonfiction feature examines the filmmaker’s strained relationship with her father, an estrangement caused by his Oxycontin addiction.

— Matthew Carey, Deadline, 21 Sep. 2026

Definition of strained

Adjective

In the wake of the 2020 election, false accusations led to death threats and upended the lives of two Fulton County election workers.

— Caleb Groves, AJC.com, 23 Sep. 2026
Election law generally requires registration in every state except North Dakota, while federal law prohibits false registration and other forms of election fraud.

— Los Angeles Times, Los Angeles Times, 23 Sep. 2026

Definition of false

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“Mechanical.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/mechanical. Accessed 25 Sep. 2026.

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