SimilarityRank
challenging 0.767 6371
a_difficult 0.654 12053
an_exciting 0.652 14578
be_a_challenging 0.651 67849
the_most_challenging 0.624 54484
a_rewarding 0.598 68707
more_challenging 0.582 31394
a_stimulating 0.578 90792
a_dynamic 0.566 9296
an_interesting 0.556 13274
a_tricky 0.554 79167
fast-paced 0.551 32652
daunting 0.549 43508
be_an_exciting 0.541 32439
an_inspiring 0.540 36601
a_tough 0.537 26323
an_intense 0.535 26112
challenge 0.533 222
an_enjoyable 0.531 53477
a_rigorous 0.526 45801
demanding 0.524 32030
difficult 0.515 2515
a_new_challenge 0.514 76110
an_engaging 0.512 47401
exciting 0.511 3121