adjective

very unusual or remarkable.

the extraordinary plumage of the male

remarkable,exceptional,amazing,astonishing,astounding,marvellous,wonderful,sensational,stunning,incredible,unbelievable,miraculous,phenomenal,prodigious,spectacular,striking,outstanding,momentous,impressive,singular,signal,pre-eminent,memorable,unforgettable,never to be forgotten,unique,arresting,eye-catching,conspicuous,noteworthy,notable,great,out of the ordinary,unusual,uncommon,rare,surprising,curious,strange,odd,peculiar,uncanny,unco,fantastic,terrific,tremendous,stupendous,awesome,amazeballs,out of this world,unreal,wondrous

noun

an item in a company’s accounts not arising from its normal activities.