The food was more than adequate for the six of us.
The school lunch should be adequate to meet the nutritional needs of growing children.
The machine does an adequate job.
The tent should provide adequate protection from the elements.
The quality of his work was perfectly adequate.
Your grades are adequate but I think you can do better.
The quality of his work was only adequate.
Then, during the spring and summer, allow adequate recovery by taking one or two days off the bike each week and scaling back the intensity of your rides one week out of every month. —Selene Yeager, Bicycling, January/February 2008
… they are adequate for almost any computing need. —Michael Meyer, Newsweek, 26 Oct. 1998
… the government would have to bail out any bidder with less adequate resources … —The Economist, 30 Aug.-5 Sept. 1986