1. (noun) the act of making something wider

• widening

2. (noun) an increase in width

• widening

1. (noun) the act of making something wider

• change of shape

2. (noun) the action of making broader

• development

3. (noun) an increase in width

• growth
• increase
• increment

1. (noun) the act of making something wider

• narrowing

2. (noun) an increase in width

• narrowing

1. (noun) the act of making something wider

• widen

2. (noun) an increase in width

• widen