Synonyms of intensity in English:

intensity


See US English definition of intensity

See UK English definition of intensity

See Spanish definition of intensidad

noun

1‘the intensity of the sun’

SYNONYMS
strength, power, powerfulness, potency, vigour, force, forcefulness
severity, ferocity, vehemence, fierceness, violence, harshness
magnitude, greatness, high degree, concentration, extremity, acuteness
seriousness, gravity, graveness, severeness, grievousness

2‘his eyes seared hers with a glowing intensity’

SYNONYMS
passion, ardour, fervour, fervency, zeal, vehemence, fire, heat, fever, emotion, eagerness, keenness, enthusiasm, excitement, animation, spirit, vigour, earnestness, strength, energy
fanaticism
ANTONYMS

apathy, indifference