| Português | Español | Français | English |
| Idealizar | Idealizar, Idear, Imaginar, Fantasear, Proyectar | Idéaliser | To idealize, To imagine |
| Identificar | Identificar; Reconocer | Identifier | To identify, To recognize |
| Idolatrar | Idolatrar, Adorar | Idolâtrer | To idolize, To adore |
| Ignorar | Ignorar, Desconocer | Ignorer | To ignore, To be ignorant of, To disreagard |
| Igualar | Igualar, Emparejar, Equiparar, Igualarse | (S´) égaler | To equalize, To even, To make/Be/Become equal |
| Iludir | Iludir, Ilusionar, Embaucar, Engañar | Illusionner | To deceive with false hopes, To cheat |
| Iluminar | Iluminar, Alumbrar | (S´) illuminer | To illuminate, To light up, to enlighten |
| Ilustrar | Ilustrar, Alumbrar | Illustrer | To illustrate, To elucidate, To enlighten, To illuminate |
| Imaginar | Imaginar, Creer, Fantasear, Inventar, Suponerse | Imaginer | To Imagine, To visuzlize |
| Imigrar | Inmigrar | Immigrer | To immigrate, To migrate |
| Imitar | Imitar, Copiar | Imiter | To imitate, To (make) copy), To mimic, To pretend, To reproduce |
| Imobilizar | Inmovilizar, Paralizar, Retener, Bloquear | (S´) immobiliser | To immobilize, To bring to a standstill, To tie up |
| Imortalizar | Imortalizar, Eternizar, Perpetuar | Immortaliser | To imortalize, To distinguish oneself |
| Impedir | Impedir, Detener, Embargar, Evitar, Interceptar, Interrumpir | Empêcher | To impede, To hinder, To obstruct, To prevent |
| Impelir | Impeler, Impulsar, Empujar, Aguijonear | Pousser; Lancer; Exciter; Animer | To impel, To push on, To incite |
| Imperar | Imperar, Reinar, Governar | Régner; Gouverner; Commander | To reign, To rule |
| Impermeabilizar | Impermeabilizar | Imperméabiliser | To render impermeable, To make waterproof |
| Impingir | Imprimir; Estampar | Appliquer; Faire avaler; Contraindre à accepter | To impinge, To strike, To inflict |
| Implantar | Implantar, Establecer, Inaugurar | Implanter | To implant, To introduce, To inseminate |
| Implicar | Implicar, Importunar, Molestar | Impliquer | To implicate, To involve, To imply, To cause, To nag |
| Implorar | Implorar, Rogar, Pedir, Suplicar, Deprecar | Implorer; Suplier | To implore, To entreat |
| Impor | Imponer(se), Establecer, Hacerse respetar | (S´) imposer | To impose, To lay on, To burden, To levy |
| Importar | Importar | Importer | To import, To amount to, To interest, To concern, To imply |
| Importunar | Importunar, Aburrir, Atormentar | Importuner; Emmerder; Casser les couilles | To importune, To pester, To annoy |
| Impossibilitar | Impossibilitar, Impedir, Inhabilitar | Impossibiliter; Rendre impossible | To make impossible |
| Impregnar | Impregnar(se), Fecundar, | (S´) imprégner | To impregnate, To imbue |
| Impressionar | Impresionar(se) | Impressionner | To impress, To mark |
| Imprimir | Imprimir, Estampar, Grabar | Imprimer | To print, To imprint, To impress |
| Impugnar | Impugnar, Contestar, Contradecir | Réfuter; S´oposer à | To impugn, To refute, To contest |
| Impulsionar | Impulsar, Estimular | Impulser; Pousser; Stimuler | To stimulate, To propel, To impel |
| Imunizar | Inmunizar(se), Librar, Exentar | Immuniser | To immunize |
| Inalar | Inhalar, Aspirar, Absorber | Inhaler | To inhale, To breathe in |
| Inaugurar | Inaugurar, Implantar, Empezar, Fundar, Iniciar | Inaugurer | To inaugurate, To initiate |
| Incendiar | Incendiar, Inflamar, Encender, Abrasar | Incendier | To set on fire, To burn down, To catch fire, To be on fire |
| Incentivar | Incitar, Estimular, Acuciar, Excitar | Stimuler | To animate, To stimulate, To encourage |
| Inchar | Inflar, Inchar, Henchir, Entumecer | Gonfler | To swell, To inflate, To bulge |
| Incidir | Incidir, Incurrir | Tomber sur; Se réfleter | To happen, To fall on, To supervene, To cut into, To incise |
| Incinerar | Incinerar, Reduzir a cenizas | Incinérer | To incinerate, To cremate |
| Inclinar | Inclinar, Empinar, Entornar, Doblarse | (S´) incliner | To inclinate, To bend, To have a bent/tendency |
| Incluir | Incluir, Embutir, Englobar | Inclure | To include, To enclose, To add in, To involve |
| Incomodar | Incomodar, Importunar, Aborrecer, Molestar, Amolar, Barajar | (Se) déranger | To inconvenience, To disturb, To annoy |
| Incorporar | Incorporar, Agrupar, Aliar, Añadir, Anexionar | Incorporer | To incorporate, To be/become incorporated, To share in |
| Incriminar | Incriminar, Acusar, Censurar | Incriminer | To incriminate, To accuse |
| Incubar | Incubar, Empollar, Gestarse | Incuber; Couver | To incubate, To hatch |
| Inculcar | Inculcar, Indicar, Proponer | Inculquer | To inculcate, To implant |
| Inculpar | Inculpar, Incriminar, Achacar | Inculper; Responsabiliser | To inculpate, To accuse |
| Incumbir | Incumbir(se), Delegar, Encargarse | Charger quelqu´un de; incomber; Se charger; Prendre sur soi | To put somebody in charge of something |
| Indagar | Indagar, Escrutar, Inquirir, Pesquisar | S´enquérir; Se reseigner sur; S´informer de | To enquire, To investigate, To query, To quest |
| Indenizar | Indemnizar, Compensar | Indemniser | To indemnify |
| Indicar | Indicar, Denotar, Apuntar | Indiquer; Signaler | To indicate, To denote, To earmark |
| Indignar | Indignar, Encolerizar, Enfadar, Enojar | (S´) indigner | To case indignation |
| Indispor | Indisponer(se), Desavenir, Enemistar | Indisposer | To make ill, To upset, To fall out with somebody |
| Induzir | Induzir, Convencer, Instilar | Induire; Inférer | To induce, To incite, To persuade, To instigate, To conclude |
| Inebriar | Inebriar, embriagar, Emborrachar | (S´) enivrer | To inebriate, To make drunk |
| Infeccionar | Infeccionar, Contaminar | Infectionner | To infect, To contaminate, To corrupt, to become infected |