non-obvious

Requires closer inspection

Non-obvious describes something not immediately apparent or easily recognized.

The term appears frequently in patent law, where an invention must be non-obvious to qualify for protection—meaning a person skilled in the field wouldn't consider it an evident next step.

More generally, non-obvious solutions or insights require deeper thinking: The non-obvious answer turned out to be correct.

hidden

concealed

Made invisible deliberately

buried · covert · camouflaged · veiled · invisible · shrouded · clandestine · unseen · masked · undercover

complex

abstract

Condensed version of text

intricate · convoluted · layered · cerebral · intellectual · philosophical · esoteric · arcane · labyrinthine · byzantine

subtle

nuanced

Having fine distinctions

delicate · indirect · elusive · imperceptible · gradual · quiet · unassuming · low-key · modest · inconspicuous

Opposites
clarity/evidence

non-obviousobvious

Easily perceived, unmistakable

self-evident · evident · apparent · clear · plain

cognitive effort required

non-obviousintuitive

Known without reasoning

straightforward · simple · axiomatic · commonsense · no-brainer

Family

non, obvious, obviously, obviate, obviated, obviates, obviating, oblivion, oblivious

Familiarity
Top 500,000
Profile
Used worldwide · Timeless · Abstract · Everyday, not technical · Rated G