on the surface (adverb) ostensibly: apparently
Detalii: ostensibly means from appearances alone or in a manner that is declared or pretended, while ostentatiously means with vain display or showily
Sinonime: aloofness, coldness, coolness, detachment, disinterest, dispassion, disregard, dullness, emotionlessness, halfheartedness, heedlessness, incuriosity, incuriousness, indifference, insensibility, insensibleness, insensitivity, insouciance, lassitude, lethargy, listlessness, passiveness, passivity, phlegm, stoicism, stolidity, stolidness, unconcern, uninterest, unresponsiveness
Antonime: improbably, obscurely,
unlikely