on the surface

peripheral shallow sketchy warped

apparent casual cosmetic cursory depthless desultory empty evident exterior external flash flimsy frivolous general glib half-baked hasty hurried ignorant inattentive lightweight nodding ostensible outward partial passing perfunctory quick-fix seeming shoal silly skin-deep slapdash slight smattery summary surface tip of the iceberg trivial uncritical

apparent noticeable

evident exterior external from within observable obvious open ostensible out outer outside over perceptible superficial surface to the eye toward the edge

obscure

invisible inward

apparent casual cursory empty flimsy meaningless one-dimensional shallow trivial

cursory frivolous one-dimensional perfunctory silly sketchy slight trivial

apparent casual cosmetic depthless desultory empty evident exterior external flash flimsy general glib half-baked hasty hurried ignorant inattentive lightweight nodding ostensible outward partial passing peripheral quick-fix seeming shallow shoal skin-deep slapdash smattery summary surface tip of the iceberg uncritical warped

complete important mature sensible serious significant thoughtful wise

analytical careful deep detailed genuine thorough

evidently officially seemingly supposedly

at first blush externally for all intents and purposes for show on the face outwardly professedly sensibly superficially to the eye

improbably obscurely unlikely

seemingly superficially

externally

apparently as far as one can see evidently for all intents and purposes in appearance officially on the face of it ostensibly professedly to the eye

inside internally inwardly privately

outwardly

apparently at first glance carelessly casually externally extraneously flimsily frivolously hastily ignorantly not profoundly not thoroughly once over lightly ostensibly partially skim to the casual eye

carefully deeply thoroughly