- Def: Ignorance 1. lack of knowledge, learning, information, etc.; 2. The condition of being uneducated, unaware, or uninformed;
- Origin: 1175–1225; ME < L ignōrantia. See ignore, -ance;
- Synonyms: benightedness, bewilderment, blindness, callowness, creeping meatballism, crudeness, denseness, disregard, dumbness, empty-headedness, fog, greenness, half-knowledge, illiteracy, incapacity, incomprehension, innocence, inscience, insensitivity, mental incapacity, naïveté, nescience, oblivion, obtuseness, philistinism, rawness, sciolism, shallowness, simplicity, unawareness, unconsciousness, uncouthness, unenlightenment, unfamiliarity, unscholarliness, vagueness.
- Def: Ignorant 1. lacking knowledge or training, unlearned; 2. lacking knowledge or information as to a particular subject or fact; 3. uninformed, unaware; 4. due to or showing lack of knowledge or training;
- Origin: 1325–75; ME ignora(u)nt < L ignōrant- (s. of ignōrāns), prp. of ignōrāre to ignore; see -ant;
- Synonyms: uninstructed, untutored, untaught. Ignorant, illiterate, unlettered, uneducated mean lacking in knowledge or in training. Ignorant may mean knowing little or nothing, or it may mean uninformed about a particular subject: An ignorant person can be dangerous. I confess I'm ignorant of mathematics. Illiterate originally meant lacking a knowledge of literature or similar learning, but is most often applied now to one unable to read or write: necessary training for illiterate soldiers. Unlettered emphasizes the idea of being without knowledge of literature: unlettered though highly trained in science. Uneducated refers especially to lack of schooling or to lack of access to a body of knowledge equivalent to that learned in schools: uneducated but highly intelligent. 2. unenlightened.
- Def: Ignore 1. to refrain from noticing or recognizing; 2. To refuse to pay attention to; disregard; 3. refuse to acknowledge 4. bar from attention or consideration; 5. fail to notice; 6. give little or no attention to; 7. be ignorant of or in the dark about; 8. Law. (of a grand jury) to reject (a bill of indictment), as on the grounds of insufficient evidence;
- Origin: 1605–15; < L ignōrāre to not know, disregard, v. deriv. of ignārus ignorant, unaware (with -ō- perh. from ignōtus unknown), equiv. to in- in-3 + gnārus knowing, acquainted (with); akin to (g)nōscere to know1;
- Synonyms: avoid, blink, brush off, cold-shoulder, cut, dial out, discount, disdain, evade, fail, forget, high hat, ice, ig, live with, neglect, omit, overlook, overpass, pass over, play past, reject, scorn, slight, tune out, wink at.