intensen means to grow or become more intense; intensify. Lexicurio rates it Sui generis — a strength score of 88 out of 100.
intensen is pronounced /ɪnˈtɛn.sən/.
Etymology
From intense + -en.
verb
- To grow or become more intense; intensify“By the last trip, suddenly and almost without my being aware of it, the sea becomes its own lure: a refreshing break from the intensening heat of August.”