adj.
Heightened is used with these nouns: ↑ activity , ↑ alert , ↑ awareness , ↑ colour , ↑ competition , ↑ emotion , ↑ excitement , ↑ expectation , ↑ perception , ↑ risk , ↑ security , ↑ sense , ↑ sensitivity , ↑ stress , ↑ tension , ↑ vigilance
adj.
Heightened is used with these nouns: ↑ activity , ↑ alert , ↑ awareness , ↑ colour , ↑ competition , ↑ emotion , ↑ excitement , ↑ expectation , ↑ perception , ↑ risk , ↑ security , ↑ sense , ↑ sensitivity , ↑ stress , ↑ tension , ↑ vigilance
Oxford Collocations English Dictionary. Оксфордский английский словарь словосочетаний . 2012