heighten means to make high; to raise higher; to elevate. Lexicurio rates it Distinctive — a strength score of 66 out of 100.
heighten is pronounced /ˈhaɪ̯.tən/.
verb
- To make high; to raise higher; to elevate.“Black Bridge, near Machynlleth, is being heightened by one metre in a £3.6 million project to reduce delays caused by flooding.”
- To advance, increase, augment, make larger, more intense, stronger etc.“to heighten beauty”