1. (the trait of not being considerate and thoughtful of others)
inattentiveness


2. (the trait of forgetting or ignoring possible danger)
incaution, incautiousness: : synonim: nieostrożność

3. (unbiased impartial unconcern)
indifference: : synonim: obojętność
synonim: indyferencja
synonim: indyferentność