IPA: /ˈhaɪtənd/
KK: /haɪtənd/
Increased in strength or level; made more intense or serious.
The heightened emotions during the ceremony made it very memorable.
To make something greater or more intense, often referring to feelings, situations, or conditions.
The new evidence heightened the tension in the room.
Past: heightened
Past Participle: heightened
Heightened is formed from "height" (from Old English "hēah", meaning high) and the suffix "-en" (meaning to make or become). The word "heightened" means to make something higher or more intense.
Think of making something 'high' ('height') and then adding 'to make' ('-en') — that's why heightened means to make something more intense or elevated.