Synonyms of arcane

arcane

adjective

är-ˈkān 

1

as in esoteric

difficult for one of ordinary knowledge or intelligence to understand

grammatical rules that seem arcane to generations of students who were never taught grammar in the first place

Synonyms & Similar Words

• esoteric
• profound
• recondite
• abstruse
• scholarly
• ambiguous
• hermetic
• deep
• academic
• mystical
• confusing
• complicated
• complex
• mystic
• enigmatic
• mysterious
• cryptic
• erudite
• pedantic
• inscrutable
• incomprehensible
• learned
• unintelligible
• uncanny
• unfathomable
• impenetrable
• unknowable
• baffling
• perplexing
• puzzling
• confounding
• unanswerable
• orphic
• disorienting
• mystifying
• darkling
• hard
• bewildering

Antonyms & Near Antonyms

• superficial
• simple
• shallow
• easy
• straightforward
• intelligible
• understandable
• obvious
• apparent
• comprehensible
• distinct
• plain
• clear
• facile
• evident
• transparent
• lucid
• manifest
• fathomable
• clear-cut
• perspicuous

2

as in cryptic

having an often intentionally veiled or uncertain meaning

the rebate form uses arcane language, the only purpose of which seems to be to disqualify buyers from actually getting a rebate

Synonyms & Similar Words

• cryptic
• ambiguous
• obscure
• dark
• esoteric
• mystic
• mysterious
• enigmatic
• murky
• vague
• opaque
• occult
• inscrutable
• unclear
• nebulous
• questionable
• Delphic
• deep
• equivocal
• uncertain
• elliptical
• recondite
• confusing
• abstruse
• obscurant
• fuliginous
• complicated
• weird
• uncanny
• double-edged
• eerie
• incomprehensible
• cloaked
• shadowy
• shrouded
• indirect
• fuzzy
• indecipherable
• complex
• difficult
• inexplicable
• masked
• concealed
• hazy
• disguised
• obfuscatory
• clouded
• inexact
• puzzling
• foggy
• misty
• faint
• shaded
• indistinct
• invisible
• mystifying
• impenetrable
• indefinite
• baffling
• undefined
• muddy
• noncommittal
• perplexing
• intangible
• dim
• indistinguishable
• unknowable
• confounding
• bewildering
• cloudy
• unanswerable
• unfathomable
• undetermined
• sphinxlike
• impalpable
• inexplicit
• obtuse
• circuitous
• shadowlike
• beclouded
• inappreciable
• bedimmed
• roundabout
• befogged
• obnubilated

Antonyms & Near Antonyms

• obvious
• plain
• clear
• certain
• accessible
• unambiguous
• distinct
• intelligible
• understandable
• evident
• comprehensible
• unequivocal
• legible
• bright
• sure
• strong
• pellucid
• direct
• knowable
• firm
• defined
• nonambiguous
• explicit
• fathomable
• exact
• definite
• straightforward
• self-evident
• self-explanatory
• determined
• tangible
• visible
• appreciable
• palpable
• blatant
• unmistakable
• patent

3

as in mysterious

being beyond one's powers to know, understand, or explain

my predecessor in this job obviously had his own arcane system for filing things, and so I haven't a clue as to where anything is

Synonyms & Similar Words

• mysterious
• cryptic
• mystic
• obscure
• uncanny
• enigmatic
• deep
• dark
• inscrutable
• occult
• unexplainable
• murky
• impenetrable
• ambiguous
• vague
• mystical
• esoteric
• confusing
• metaphysical
• shadowy
• fuzzy
• incomprehensible
• unintelligible
• supernatural
• unfathomable
• recondite
• inexplicable
• unaccountable
• darkling
• abstruse
• imponderable
• unknowable
• equivocal
• unanswerable
• puzzling
• baffling
• perplexing
• confounding
• numinous
• mystifying
• disorienting
• unsearchable
• bewildering
• befuddling

Antonyms & Near Antonyms

• intelligible
• understandable
• obvious
• apparent
• plain
• clear
• evident
• fathomable
• transparent
• manifest
• unambiguous
• straightforward
• unmistakable
• palpable
• unequivocal
• patent
• perspicuous
• open-and-shut

Example Sentences

Recent Examples of arcane

The Bringers of the Cosmic Dawn seek to tear the barrier down in pursuit of their own vision, while the Red Wizards of Thay maneuver in the shadows, hungry to seize the arcane power within. — Jennifer Maas, Variety, 24 June 2026

There are thousands of cryptocurrencies, countless blockchains, arcane fees to pay for swapping tokens, and complicated onboarding processes. — Ben Weiss, Fortune, 22 June 2026

Many are rejected without consideration for the content of their complaint, for arcane reasons such as including too many pages or not filing enough copies. — Christie Thompson, NPR, 17 June 2026

The most joyful moments unfold in the four bedrooms, where cocooning colors and eccentric lamps dredged up from arcane reaches of the internet lend each a distinct sense of place. — Sarah Medford, Architectural Digest, 28 May 2026