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.

It also seems fair to demand more of a Senate candidate than of the most reckless bro on the block.

From Slate • Jun. 5, 2026

Not that they were reckless, instead arguably too passive.

From BBC • Jun. 4, 2026

By requiring traders to hold more capital to back their positions, the idea was to curb reckless trading and reduce the risk of costly blowups.

From The Wall Street Journal • 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

As he came up alongside the reckless driver, a hand was thrust out of a passenger window flashing a police badge and ID.

From "A Few Red Drops: The Chicago Race Riot of 1919" by Claire Hartfield

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!