(transitive) To make deep or deeper / (transitive) To make darker or more intense; to darken / (transitive) To make more poignant or affecting; to increase in degree / (transitive) To make lower in tone

simple past tense and past participle of deepen

present participle of deepen

The act of becoming deeper.

Third-person singular simple present indicative form of deepen

plural of deepener

One who, or that which, deepens. / A hypnotic suggestion designed to send the listener deeper into a state of trance.

plural of deepening

(computer science, graph theory) A type of depth-first search in which each row of the tree is searched incrementally, simulating a breadth-first search with less memory usage.

plural of iterative deepening search