A mayor's relationship with the public has tightened considerably in the last 110 years.

But since the Democratic convention two weeks ago, the race has tightened considerably.

When he actually read the card, his grasp tightened considerably.

But people who sought help weeks ago and are still in need say the restrictions have tightened considerably.

But although she is still the underdog, the race has tightened considerably in the past two weeks.

The 1980 Act also considerably tightened central controls upon capital expenditure.

During the previous oil shocks, monetary policy was tightened considerably.

Security at the Byron plant has been tightened considerably since the 9/11 terrorist attacks.

The regulations covering export subsidies have also been considerably tightened.

Security has been considerably tightened since September 11, 2001, such that these measures are similar to airport security.