To be private and avoid sharing personal matters with others.
Keep yourself to yourself
think of at least 2 collocations with POTENTIAL
potential risk / candidate / customer / benefit
Cleverly humorous with quick, smart remarks.
Witty
An instinctive intuition about something, without logical reasoning.
think of at least 3 collocations
Gut feeling
Accepting others without criticism.
Non-judgemental
1. Done completely and carefully, leaving nothing out.
2. think of at least 2 collocations with this word
thorough
thorough cleaning / investigation / explanation / understanding
Practical, realistic and unpretentious.
Down-to-earth
think of at least 3 collocations with light-hearted
light-hearted response / conversation / approach / story / movie
Not trustworthy or consistent; likely to fail.
Unreliable
Competition between people/groups (can be friendly or hostile)
Rivalry