| stubborn(adjective, defiant) |
| antagonizing(verb, adjective, opposing, disagreeing, oppositional) |
| confrontational(adjective, stimulating, defiant, provoking, oppositional) |
| contradicting(verb, opposing, confuting, counteracting) |
| crossing(verb, adjective, opposing, oppositional, defying) |
| dissenting(verb, adjective, defiant, disagreeing, defying) |
| exhausting(adjective, hard, tough, difficult, awkward) |
| inspirational |
| interfering(verb, adjective, opposing, oppositional, counteracting) |
| intriguing |
| laborious(adjective, great, tough, severe, difficult) |
| rigorous(adjective, difficult, awkward, thorough, demanding) |
| significant(adjective, importance, valuable, main, notable) |
| stiff(tough, severe, painful, demanding, problematic) |
| stimulating(adjective, moving, inspiring, encouraging, motivating) |
| braving(verb, confronting) |
| counterattacking(verb, adjective, opposing, oppositional) |
| hard(adjective, great, tough, difficult, awkward) |
| hindering(verb, adjective, opposing, oppositional) |
| impeding(verb, adjective, opposing, oppositional) |