thank ‧ ful /ˈθæŋkf ə l/ BrE AmE adjective [not before noun]
[ Word Family: noun : ↑ thanks , ↑ thankfulness ; adjective : ↑ thankful , ↑ thankless ; verb : ↑ thank ; adverb : ↑ thankfully ]
[ Language: Old English ; Origin: thancful , from thanc ; ⇨ ↑ thanks 2 ]
grateful and glad about something that has happened, especially because without it the situation would be much worse
thankful for
I’ll be thankful for a good night’s sleep after the week I’ve had.
thankful (that)
She was thankful that Chantal was there.
thankful to do something
I was thankful to make any sort of progress at all.
—thankfulness noun [uncountable]
⇨ be thankful for small mercies/favours at ↑ small 1 (13)