Straitlaced (adjective)

1. Describing a person who adheres strictly to conventional standards of behavior or morality.
2. Describing something that is excessively restrictive or restrictive of personal freedom.

Origin:

From the middle english word strait, meaning "tight" or "strict", and the adjective-forming suffix -laced.

Examples:

1. She was known to be straitlaced and never approved of any behavior that went against her moral code.
2. The straitlaced dress code at the school made it difficult for students to express their individuality.
3. He was a straitlaced conservative who always voted for the most conservative candidate.
4. The straitlaced society they lived in did not allow for any deviation from the norm.
5. The parents were straitlaced and did not allow their children to have any freedom.