Skip to main content
We're in Beta! Found a bug? Let us know using the feedback button at the bottom right.
US
/ˈhiːdfəlnəs/
UK
/ˈhiːdfəlnəs/
See IPA manual
From heedful plus the noun-forming suffix -ness; heedful derives from heed, from Old English hēdan ('to take care'), from Proto-Germanic *hōdijaną.
View etymology graph ->
General
Open this dialog?
Close dialogEsc
Open search⌘K
Press ? anytime to toggle this dialog