challenging, adj.
freq. cnt. 3
freq. cnt. 3
requiring full use of your abilities or resources
<adj.all> freq. cnt.: 7 freq. cnt.: 4 freq. cnt.: 3
ambitious challenging
sample sentences
"ambitious schedule""performed the most challenging task without a mistake"
lexical pointers
derivationally related form
semantic pointers
similar to
disturbingly provocative
<adj.all>
challenging intriguing
stimulating interest or thought
<adj.all>
challenging thought-provoking
sample sentences
"a challenging hypothesis""a thought-provoking book"
semantic pointers
similar to