ardent, violent, vehement, furious, severe, extreme
烈 centers on intense, forceful energy: something ardent, violent, vehement, furious, severe, or extreme. It describes a state where passion or power is pushed to a high degree.
烈 combines 列 (arrange, line up) with 灬 (fire). The fire radical suggests intense heat or burning, giving the idea of fierce, violent energy. The 列 component likely contributes a phonetic element.
A line (列) of fire (灬) burns fiercely, representing something ardent, violent, or extreme.
For レツ, imagine a line of fire so intense it makes a loud 'rets' crackling sound: rets -> レツ.
strong; intense; severe
fierce; intense; severe; violent; strong; vehement; terrific; terrible
ardent; passionate; vehement
severe; bitter; scathing
fierce (fight, competition, etc.); severe; hot; hard; bitter; keen; cutthroat
raging fire; conflagration
gale; violent (strong) wind
violence; vehemence; fury; fervour; fervor; severity; fierceness; keenness
severe; fierce; stern
vivid; striking
very strange; odd; queer
upright man; patriot; hero
ancestor's meritorious deeds; the evil effects of the lives of our predecessors
great achievement
fierce
bravery; valor; valour; courage
heroic; brave
extremely weird; very eccentric
severe; harsh; rigorous; trenchant; scathing; sharp; incisive; cutting
unswerving loyalty