implacabilius

From LSJ

γελᾷ δ' ὁ μωρός, κἄν τι μὴ γέλοιον ᾖ → the fool laughs even when there's nothing to laugh at

Source

Latin > English (Lewis & Short)

implācābĭlĭus:
I comp. adv., v. implacabilis fin.

Latin > French (Gaffiot 2016)

implācābĭlĭus, d’une manière plus implacable : Tac. Ann. 1, 13.

Latin > German (Georges)

implācābilius, Adv. im Compar. (implacabilis), unversöhnlicher, implacabilius alci irasci, gegen jmd. unversöhnlichen Haß fassen, Tac. ann. 1, 13: graves simultates callide eoque implacabilius nutrire, Tac. hist. 3, 53.