• synonyms


See more synonyms for cautious on Thesaurus.com
  1. showing, using, or characterized by caution: a cautious man; To be cautious is often to show wisdom.
Show More

Origin of cautious

First recorded in 1630–40; cauti(on) + -ous
Related formscau·tious·ly, adverbcau·tious·ness, nounhy·per·cau·tious, adjectivehy·per·cau·tious·ly, adverbhy·per·cau·tious·ness, nounsu·per·cau·tious, adjectiveul·tra·cau·tious, adjectiveul·tra·cau·tious·ly, adverbul·tra·cau·tious·ness, nounun·cau·tious, adjectiveun·cau·tious·ly, adverbun·cau·tious·ness, noun

Synonyms for cautious

See more synonyms for on Thesaurus.com

Synonym study

See careful.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for cautious

watchful, tentative, wary, judicious, discreet, circumspect, vigilant, prudent, leery, safe, alert, cagey, calculating, chary, considerate, gingerly, heedful, politic, provident, pussyfoot

Examples from the Web for cautious

Contemporary Examples of cautious

Historical Examples of cautious

British Dictionary definitions for cautious


  1. showing or having caution; wary; prudent
Show More
Derived Formscautiously, adverbcautiousness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for cautious


1640s, from caution + -ous. The Latin word for this was cautus "careful, heedful." Related: Cautiously; cautiousness.

Show More
Online Etymology Dictionary, © 2010 Douglas Harper