Used to describe something small that you find cute or charming, often giving a sense of warmth. Look at that dinky little house; it's adorable!
Pro Tip 2/3
Slightly Negative
Can imply something is insignificant or not taken seriously, sometimes used dismissively. He gave me some dinky excuse about his dog eating the homework.
Pro Tip 3/3
Colloquial Use
Common in casual conversation rather than formal speech or writing. I need to clean out my dinky apartment this weekend.