insecure

US /ˌɪn.səˈkjʊr/
UK /ˌɪn.səˈkjʊr/
"insecure" picture
1.

not confident or assured; uncertain and anxious

:
•
She felt insecure about her appearance.
•
He's very insecure about his public speaking skills.
:
anxiousapprehensivedoubtfulhesitantunsure
:
confidentsecureassured
2.

not firmly fixed or safely protected

:
•
The ladder felt insecure as he climbed higher.
•
The old bridge was structurally insecure.
:
unstableunsteadyricketyshakyvulnerable
:
securestablesafe
:
insecurity