逆転【ぎゃくてん】
reversal (of a situation), turnaround, turnabout, turning the tables, sudden change, reversal (of direction of rotation)
逆効果【ぎゃくこうか】
opposite effect, adverse effect, backfiring
反逆【はんぎゃく】
treason, treachery, mutiny, rebellion, insurrection
逆境【ぎゃっきょう】
adverse circumstances, unfortunate situation, adversity
逆戻り【ぎゃくもどり】
retrogression, reversal, relapse, doubling back, backtracking
逆説【ぎゃくせつ】
paradox
逆さ【さかさ】
inverted, upside down, reversed, back to front
逆らう【さからう】
to go against, to oppose, to disobey, to defy
逆立ち【さかだち】
handstand, headstand, being upside down, being in reverse