Definition of "thicken" []

• To make or become thick or thicker: Thicken the sauce with cornstarch. The crowd thickened near the doorway. (verb-transitive)
• To make or become more intense, intricate, or complex: The leader's departure thickens the problems. Our apprehension thickened. (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "So maybe we should all try a new business model titled thicken the stream and see if it catches on in the business world."
• "Some children have underlying conditions that cause their blood to "thicken" and clot."
• "So I got some L'Oreal mascara can't remember exactly what it was which was supposed to "thicken" my lashes."