Definitions

reckless

[rek-lis] / ˈrɛk lɪs /

ADJECTIVE

irresponsible in thought, deed

Synonyms

STRONGEST

audacious brash carefree careless daring foolhardy hasty ill-advised imprudent negligent thoughtless

WEAK

adventuresome adventurous any which way breakneck daredevil desperate devil-may-care fast and loose feckless harebrained headlong heedless helter-skelter hopeless hotheaded inattentive incautious inconsiderate indiscreet kooky madcap mindless overventuresome playing with fire precipitate rash regardless temerarious uncareful venturesome venturous wild

Antonyms

STRONGEST

afraid attentive careful cautious discreet fearful kind meek mindful prudent reserved shy thoughtful timid wise

WEAK

responsible wary

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.

The US embassy in Mogadishu has described the violence as "reckless", adding that leader on all sides "have a responsibility to preserve stability and resolve differences through peaceful means".

From BBC • Jun. 4, 2026

International observers have expressed concern, with the US embassy in Mogadishu calling the violence "reckless" and urging dialogue.

From Barron's • Jun. 4, 2026

If this had been the first indication that Platner had a reckless streak, I would have been more inclined to brush it off.

From Slate • Jun. 2, 2026

Hal had taken risks Kate thought were reckless.

From Los Angeles Times • Jun. 1, 2026

That a woman with this medical history, a woman so obviously high-risk, should be advised to attempt a second birth at home seemed reckless to the point of delusion.

From "Educated" by Tara Westover

Vocabulary lists containing reckless

The SAT: Words to Capture Tone, List 4

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!

The New SAT: Words to Capture Tone

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

Anti-Antonyms: Words Without Opposites

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!