as in randomly
without definite aim, direction, rule, or method
the police officer pulled over the driver, who had been spotted driving very erratically
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Recent Examples of erratically
The suspect did not comply with officers’ commands to exit the vehicle and began acting erratically, police said.
—
Lillie Davidson, Fort Worth Star-Telegram, 9 Sep. 2025
After witnessing Nillo driving erratically after leaving the commissioner’s apartment building, investigators stopped her and seized the vehicle.
—Joey Flechas, Miami Herald, 8 Sep. 2025
Maybe not at first, when Kevin is acting erratically, arguing with his ex-wife about what’s best for their son, Shaun.
—Peter Debruge, Variety, 6 Sep. 2025
The document does not explain why the plane was moving so erratically.
—Sasha Hupka, AZCentral.com, 5 Sep. 2025
In February 2023, Microsoft’s chatbot Bing—built on top of OpenAI’s GPT-4—began acting erratically.
—Billy Perrigo, Time, 27 Aug. 2025
Rodrigues, moving erratically, said his brother was sick and called him.
—Angie Dimichele, Sun Sentinel, 21 Aug. 2025
Summer is behaving very erratically as the country warms, with large changes in some regions, especially the West, and very muted ones in the central and southeast US.
—Chris Mooney, CNN Money, 19 Aug. 2025
The Chicago producer also erratically released a lot of music.
—Armon Sadler, VIBE.com, 3 Sep. 2019
Lillie Davidson, Fort Worth Star-Telegram, 9 Sep. 2025
After witnessing Nillo driving erratically after leaving the commissioner’s apartment building, investigators stopped her and seized the vehicle.
—Joey Flechas, Miami Herald, 8 Sep. 2025
Maybe not at first, when Kevin is acting erratically, arguing with his ex-wife about what’s best for their son, Shaun.
—Peter Debruge, Variety, 6 Sep. 2025
The document does not explain why the plane was moving so erratically.
—Sasha Hupka, AZCentral.com, 5 Sep. 2025
In February 2023, Microsoft’s chatbot Bing—built on top of OpenAI’s GPT-4—began acting erratically.
—Billy Perrigo, Time, 27 Aug. 2025
Rodrigues, moving erratically, said his brother was sick and called him.
—Angie Dimichele, Sun Sentinel, 21 Aug. 2025
Summer is behaving very erratically as the country warms, with large changes in some regions, especially the West, and very muted ones in the central and southeast US.
—Chris Mooney, CNN Money, 19 Aug. 2025
The Chicago producer also erratically released a lot of music.
—Armon Sadler, VIBE.com, 3 Sep. 2019
Recent Examples of Synonyms for erratically
randomly
Adverb
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These options let the computer randomly generate numbers for you.—
Fernando Cervantes Jr,
USA Today,
13 Sep. 2025
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The signature Borderlands loot system is here too, where every single weapon and piece of gear is randomly generated with numerous combinations of unique traits, making gameplay unpredictable and fun.—
George Yang,
PC Magazine,
12 Sep. 2025
Cite this Entry
“Erratically.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/erratically. Accessed 18 Sep. 2025.
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