ADJ

chief, main
dangerous, tough
worthy

VERB + OPPONENT

attack, hit
beat, defeat
get past, outfox, outmanoeuvre, outwit
face
Today she faces her toughest opponent on Centre Court
mark
tackle
bring down, foul

ADJ

chief, leading, main
bitter, fierce, formidable, strong, vigorous
outspoken, vocal, vociferous
worthy
political
government