This is the 4805th most frequent French word.
regret
Regret: A feeling of sorrow or remorse for something done or not done.
The word 'regret' is used as a verb expressing a sense of sorrow or remorse for an action that has not been undertaken.
Je regrette de ne pas avoir étudié plus tôt.
I regret not having studied earlier.
The word 'regret' here functions as a noun, representing the feeling of sorrow or remorse.
Dans ses paroles, on entendait un profond regret.
In their words, one could sense a deep regret.
Regret is used as a noun to denote the absence of remorse or sorrow in his decision.