uninterrupted in time and indefinitely long continuing; "the ceaseless thunder of surf"; "in constant pain"; "night and day we live with the incessant noise of the city"; "the never-ending search for happiness"; "the perpetual struggle to maintain standar
2
attentive
(often followed by `to') giving care or attention; "attentive to details"; "the nurse was attentive to her patient"; "an attentive suitor"