infidelity: (unbelief) ne-kred-(ad)o; (unfaithfulness) (qual.) ne-fidel-eso, (act) -ajo.
infiltrate: (tr., intr.) infiltrar; -tion: (act) -(ad)o, (result) -uro.
infinite: infinita, -o; (cf. sen-fina, sen-limita); -ly: (vulg.) sen-fine, extreme; (math.) infinite; -ness, infinitude: (qual.) infinit-eso; (very great number) mult-eg-eso.
infinitesimal: infinitezima, -ala.
infinitive: (gram.) infinitiv-o, -a, -ala.
infirm: (of body) infirma (cf. invalida, debila, kripla); (weak) febla; (of will) hezit-anta, -ema; ne-decid-iva, -ema; -ity: infirm-ajo, -eso; (lack firmness) ne-firm-eso, febl-eso.
infirmary: malad-eyo, fleg-eyo, infirm-erio, invalid-erio.
infix: (gram.) infixo.
inflame: (med.) inflamar; (set fire to) inflamar; brul-igar (kun flamo); acendar; (make ardent or burn) ardor-igar; (fig.) iritar, ecitar; to be i.d: inflam-esar; esar flam-oza; to become i.d: inflam-esar.
inflammable: inflam-ebla, brul-ebla.
inflammation: inflamo, -eso, -uro.
inflammatory: (all senses) inflam-ala, -atra, -anta, -ig-iva; (fig.) incendi-ema.
inflate: inflar (cf. bufar).
inflect: (gram.) inflexar (cf. deklinar, konjugar); (deflect) de-flexar, flex-etar; (the voice) modulacar.
inflection: (gram., geom.) inflexo (cf. flexiono, dezinenco); (deflection) (de-)flex-o, -eso; (of voice) modulac-(ad)o, -uro.
inflexible: (phys. and moral) ne-flex-ebla, rigida.
inflict: aplikar (puniso); impozar (privaco).
inflorescence: infloresenco.
inflow: en-flu-o, (place) -eyo.
influence: influar (ulu, ulo ad ulo); (n.) (exercised) influ-o, (undergone) -eso; undue i.: (jur.) kaptaco.
influential: influanta, -iva.
influenza: grip-o, influenzo; (sick with) -ika, -iko.
influx: en-flu-(ad)o; (biol.) influxo.
inform: (apprise) informar; (instruct) instruktar; (cf. sav-igar; avizar; inquestar; avertar); i. against: denuncar, akuzar.
informal: ne-form-ala, sen-ceremonia, ne-regul-oza.
informality: ne-form-al-eso, -ajo.
information: (given) informo, (received) -eso; (notification) avizo; (instruction) instrukto, (practical) instruciono; (denunciation) denunco; (knowledge about; acquaintance) konoco.
informative: (at the time) inform-anta, (permanently) -iva, instrukt-iva.
informer: (denouncer) denunc-anto, -into, -ero, akuz-anto.
infraction: violaco, des-obedio; kontravenco.
infrequency: rar-eso.
infrequent: rara, ne-ofta.
infringe: violaciar; kontravencar; (upon rights) uzurpar; (a patent) kontrafaktar; -ment: -o, -uro.
infuriate: furi-igar (ulu), -eskar, -igar ulu furi-oza.
infuse: (make an infusion, also fig.) fuzar (cf. inspirar; inkulkar); (pour in) en-varsar.
infusible: ne-fuz-ebla.
infusion: infuz-o, -uro; (pouring) en-, sur-varso.
infusoria: infuzori-o, -i, -aro.
ingathering: rekolt-(ad)o, -ajo.
ingenious: (of things) injeni-oza, bone o habile enjeni-ita; (of persons) injeni-oza, -ema.
ingenuity: injenio, -em-eso; to tax one’s i.: (intr.) -ar; (cf. genio, talento).
ingenuous: kandida, naiva, sen-artifica.
ingest: ingestar.
ingle-nook: kamen angulo.
inglorious: sen-gloria; (dishonouring) des-honor-iz-anta.
ingot: lingoto.
ingraft: greftar (ulo sur ulo).
ingrained: en-fix-ig-ita, en-radik-iz-ita.
ingrate: ne-gratitud-oz(ul)o.
ingratiate: insinuar su en la favoro di; en-favor-igar su.
ingratitude: ne-gratitud-o, (act) -ajo.
ingredient: ingrediento, elemento, kompoz-ajo, -anto.
ingress: en-iro.
ingrowing: en-korp-eskanta.
inguinal: inguin-ala.
ingulf: enabism-igar, glut-achar, -egar (ulo, per).
ingurgitate: en-glutar.
inhabit: (tr., intr.) habitar (cf. rezidar, lojar).
inhabitable: habit-ebla.
inhabitant: habit-anto, -ero; (lodger) loj-anto, -ero.
inhalation: inhal-(ad)o, aspir(ad)o.
inhale: inhalar (cf. aspirar, respirar, sniflar).
inharmonious: sen-harmoni-a, ne-harmoni-oza, ne-konkord-anta; (mus.) ne-akord-anta.
inhere: (intr.) inherar, esar inher-anta, esar inata.
inherence: (act) inher-o; (quality) -ant-eso.
inherent: inher-anta, inata, ne-separ-ebla, iman-anta.
inherit: heredar (ulo, de ulu); -ance: (act) -o, (object) -ajo; patrimonio; -or: hered-anto, -into.
inhibit: inhibar.
inhospitable: ne-gast-ig-ema.
inhuman: (non-human) ne-hom-ala; (cruel) ne-humana; -ity: (qual.) ne-human-eso, (act) -ajo.
inimical: enemik-a, -ala, des-favor-oza.
inimitable: ne-imit-ebla.
iniquitous: abomininda, des-yusta, des-equitat-oza.
iniquity: abominind-eso; ne-yust-eso, -ajo; (crime) krimino.
initial: komenc-ala, inici-ala; (letter) komenco-litero; (cf. uncialo).