Standard Lemma guide

unknowledgeable

adj · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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adj

Meaning 1

Lacking knowledge: ignorant, naive, or both.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: uninformed, benighted, cimmerian, clueless, foolish, ignorant, ill-informed, illiterate, innocent, lack-learning, lay, lewd, loreless, nescient, oblivious, philistine, tenebrose, unaware, uncultivated, uncultured, uneducated, unenlightened, unerudite, unknowing, unknowledgeable, unlearned, unlearnt, unlettered, unmindful, unread, unscholarly, unschooled, untaught, untrained, untutored, unwitting

Antonyms: knowledgeable, nonignorant, unignorant, informed

adjective satellite

Meaning 2

unaware because of a lack of relevant information or knowledge

Definition source: Princeton WordNet 3.0

Examples

he was completely ignorant of the circumstances
an unknowledgeable assistant
his rudeness was unwitting

Meaning relationships

Synonyms: ignorant, unknowing, unwitting

Antonyms: none provided

History

Etymology

Etymology tree English un- English knowledge Proto-Indo-European *-tḗr Proto-Indo-European *-dhlom Proto-Indo-European *-dhlis Proto-Italic *-ðlis Latin -bilis Latin -ābilis Old French -ablebor. Middle English -able English -able English knowledgeable English unknowledgeable From un- + knowledgeable.

Word forms

Inflections and variants

more unknowledgeable — comparative
most unknowledgeable — superlative

Word family

Derived and related words

Derived: unknowledgeableness, unknowledgeably

Related: uninformed

Semantic map

Other relationships

Coordinate Terms: foolish, stupid, asinine, balmy, barmy, bedaft, loony, daft, derpy, dim-headed, dim-witted, dopey, dull-headed, dull-witted, dumb, duncical, fatuous, fuzzy-headed, fuzzy-minded, gauvison, goofy, idiotic, idle, insipient, mookish, naive, silly, simple, slight, slow-witted, softheaded, soft in the head, sottish, thick, unsage, unwise, wool-headed, woolly-headed, woolly-minded, crackpot, dense, addlebrained, addlepated, airheaded, bee-brained, beef-witted, beefheaded, beetle-headed, birdbrained, blockheaded, Boeotian, boneheaded, boofheaded, braindead, brainless, bubbleheaded, buffle-headed, bullet-headed, cerebrally challenged, childish, chowderheaded, chuckleheaded, crackbrained, cretinous, dented, dim-bulb, dim, doltish, dozy, drowsy, dull-minded, dull, dumber than a box of rocks, dunderheaded, empty-headed, fatheaded, feeble-minded, flea-brained, half-brained, half-witted, hammer-headed, ignorant, imbecilic, inane, insipid, intellectually challenged, knuckleheaded, lamebrained, lowbrow, lumpish, lunkheaded, mentally challenged, mentally retarded, mindless, monosynaptic, moronic, muttonheaded, nitwitted, numbskulled, oafish, obtuse, peabrained, pratty, pudding-headed, puerile, purblind, quarter-witted, retarded, ridiculous, rockheaded, sharp as a bowling ball, sheep-headed, slow, slow on the uptake, smooth-brained, stolid, thick-skulled, thickheaded, thickwitted, unapprehensive, unclever, uninformed, unintelligent, unsmart, vacant, vacuous, witless, wooden-headed, dumb as a bag of hammers, dumb as a box of rocks, dumb as a doorknob, dumb as an ox, dumb as a post, dumb as a sack of hammers, dumb as dirt, dumber than a rock, not the sharpest crayon in the box, not the sharpest knife in the drawer, not the sharpest tool in the shed, thick as a brick, thick as a plank, thick as champ, thick as mince, thick as two short planks, thick as a whale omelette, ass-brained, fuckwitted, shit-for-brains, thick as pig shit

Sources

Where this information comes from

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