Deep
Definition 1 of 5
Pro Tip 1/3
Measure Depth
Consider 'deep' for measurable depths like water, holes, or gaps. The cave was so deep, sunlight couldn't reach the bottom.
Pro Tip 2/3
Abstract Depth
'Deep' can describe the complexity or seriousness in abstract ideas. The book's themes are deep and require careful analysis.
Pro Tip 3/3
Emphasize Impact
Use 'deep' to stress the strength or intensity of an effect. The movie's message struck a deep chord with many viewers.