He made the safe choice and stuck to his unadventurous routine.
boring life
Frequency:
60
%
She led a boring life due to her unadventurous nature.
routine existence
Frequency:
50
%
Living an unadventurous life, he settled into a routine existence.
predictable outcome
Frequency:
45
%
His unadventurous approach led to a predictable outcome.
Idiomatic Expressions for unadventurous
Phrase: stay within one's comfort zone
Meaning: to remain in a familiar and safe environment or situation
Usage: She tends to stay within her comfort zone and avoid anything unadventurous.