Synonym: change, compound, heighten, intensify. Similar words: deep, deep in thought, repent, depend, depend on, dependant, dependent, depending. Meaning: ['diːpən] 
v. 1. make more intense, stronger, or more marked 2. become more intense 3. make deeper 4. become deeper in tone.
v. 1. make more intense, stronger, or more marked 2. become more intense 3. make deeper 4. become deeper in tone. 
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(1) The recession continues to deepen.
(2) Her wrinkles deepen with age.
(3) Surviving tough times can really deepen your relationship.
(4) He heard her breathing deepen.
(5) Students explore new ideas as they deepen their understanding of the subject.
(6) We'll have to deepen the well if we want more water.
(7) He did not get a chance to deepen his knowledge of Poland.
(8) There were plans to deepen a stretch of the river.
(9) His understanding of the world continues to deepen.
(10) The recession may deepen still further.
(11) It didn't seem possible for her love to deepen and grow, but it did.
(12) Meanwhile trees here deepen into autumn, which now means wetter[Sentencedict.com], windier weather; floods and storms.
(13) Johnny tried to deepen his voice to sound like a grown-up.
(14) Traveling allows young people to deepen their understanding of other cultures.
(15) The agreement will deepen the firm's ties to Japan's electronics companies.
(16) House and Senate dissension will deepen this year, making it more difficult for consensus to be achieved on key issues.
(17) If this is not stopped, the financial crisis will deepen.
(18) When you are ready to finish the exercise, gradually deepen your breathing.
(19) Jeanne liked Simon as a friend but she did not want the relationship to deepen.
(20) One way of preventing further flooding would be to deepen the river bed.
(21) The music room had been made to reflect and deepen sounds.
(22) When he came to his own seal, his frown would. deepen.
(23) If we are to profit from an international perspective on curriculum management, we have surely to deepen our questions.
(24) This brief, tantalizing glimpse into his past life served only to deepen the mystery of his background.
(25) In this stormy atmosphere even a passing attraction would deepen into love.
(26) On another level, frankincense, the most commonly used incense in churches, has the ability to deepen the breathing.
(27) Duhamel's face was white; the shadows under his eyes seemed to deepen.
(28) Instead of driving a wedge between lovers, a child can expand and deepen that love.
(29) She had always felt that liking should come first then gradually deepen into love.
(30) The systematic activation of prior knowledge can act to prepare for and deepen the likely response to a text.
More similar words: deep, deep in thought, repent, depend, depend on, dependant, dependent, depending, dependable, repentance, dependance, interdependent, independent, independence, be independent of, declaration of independence, deem, deer, indeed, redeemed, commandeer, repel, repeat, repeal, repeated, repertoire, peep, weep, sheep, keep.