ADJ-GRADED [usually ADJ n]不谨慎的;粗心大意的;轻率的 If you say that someone is incautious, you are criticizing them because they do or say something without thinking or planning. 不谨慎的;粗心大意的;轻率的 [formal, disapproval]
In case you think I was incautious, take a look at the map.