to draw or make apparent the outline of <the glass skyscraper's sleek silhouette was strikingly defined by the setting sun to its west> Related Words line
to mark the limits of <the river defines the town on the south>
to point out the chief quality or qualities of an individual or group <a woman who is defined by her unswerving loyalty to her friends> Related Words categorize
to give the rules about (something) clearly and exactly <let me define the task so that there is no doubt in your minds about what needs to be done> Related Words decree
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