Word

天下無敵

てんかむてき
peerless; unequalled; unequaled
Word

勁敵

けいてき
formidable foe
Word

論敵

ろんてき
opponent in a debate or argument
Word

利敵行為

りてきこうい
act which serves the interests of (benefits) the enemy
Word

利敵

りてき
benefitting the enemy; benefiting the enemy
Word

油断大敵

exp
ゆだんたいてき
Unpreparedness is one's greatest enemy; He that is too secure is not safe
Word

無敵艦隊

むてきかんたい
Spanish Armada; invincible armada
Word

侮り難い敵

あなどりがたいてき
formidable enemy
Word

難敵

なんてき
formidable enemy
Word

天敵関係

てんてきかんけい
relationship of being natural enemies