| Hideki Tojo | Hideki Tojo |
| Hideki Yukawa | Hideki Yukawa |
| Hideo Kojima | Hideo Kojima |
| hideous | ripugnante |
| hideousness | orrore |
| Hidetoshi Nakata | Hidetoshi Nakata |
| Hideyo Noguchi | Hideyo Noguchi |
| hiding | celare |
| hiding place | nascondiglio |
| hie | volare |
| Hiempsal II | Iempsale II |
| Hieraaetus | Hieraaetus fasciatus |
| Hierapolis | Hierapolis |
| hierarchic | gerarchico |
| hierarchical | gerarchico |
| Hierarchical File System | Hierarchical File System |
| Hierarchical model | Modello gerarchico |
| hierarchy | gerarchia |
| Hierarchy of angels | Gerarchia degli angeli |
| Hiero I of Syracuse | Gerone I |
| Hiero II of Syracuse | Gerone II |
| Hierocles | Ierocle |
| Hierocles of Alexandria | Ierocle di Alessandria |
| Hierodeacon | Ierodiacono |
| hierogliph | geroglifico |
| hierogliphic | geroglifico |
| hieroglyph | geroglifico |
| hieroglyphic | geroglifico |
| hieroglyphical | geroglifico |
| hieroglyphics | geroglifici |
| Hieromonk | Ieromonaco |
| Hieronymites | Ordine di San Gerolamo |
| Hieronymus | Girolamo |
| Hieronymus Bosch | Hieronymus Bosch |
| Hieronymus Graf von Colloredo | Hieronymus von Colloredo |
| Hieros gamos | Ierogamia |
| Hietzing | Hietzing |
| higgledy-piggledy | in disordine |
| Higgs boson | Bosone di Higgs |
| Higgs mechanism | Meccanismo di Higgs |
| high | drogato |
| high aims | scopi nobili |
| High Alemannic German | Alto alemanno |
| high and mighty | presuntuoso |
| High birth | Genere |
| High bit rate Digital Subscriber Line | HDSL |
| high chair | seggiolone |
| high class | di prim'ordine |
| high commissioner | alto commissario |
| High culture | Civiltà |
| High Definition Compatible Digital | High Definition Compatible Digital |
| high denomination banknote | bigliettone |
| High density lipoprotein | Lipoproteine ad alta densità |
| High density polyethylene | Polietilene |
| High dispersion spectroscopy | Spettroscopia ad alta dispersione |
| High dynamic range imaging | High dynamic range imaging |
| High elves | Alti elfi |
| High explosive anti-tank | High Explosive Anti-Tank |
| High fantasy | High fantasy |
| high fidelity | alta fedeltà |
| high forehead | stempiatura |
| High Frequency Active Auroral Research Program | High Frequency Active Auroral Research Program |
| High German consonant shift | Rotazione consonantica |
| High Icelandic | Alto islandese |
| High intensity focused ultrasound | High intensity focused ultrasound |
| high jinks | baldoria |
| high jump | salto in alto |
| high jumping | salto in alto |
| High Mobility Multipurpose Wheeled Vehicle | High Mobility Multipurpose Wheeled Vehicle |
| high mountain | alta montagna |
| high mountain-chain | alta montagna |
| high mountains | alte montagne |
| high noon | mezzogiorno in punto |
| high official | dignitario |
| High Performance File System | HPFS |
| High performance liquid chromatography | Cromatografia liquida ad alta pressione |
| High Plains Drifter | Lo straniero senza nome |
| high position | posizione di rilievo |
| High pressure nervous syndrome | Sindrome nervosa da alta pressione |
| High price | Prezzi alti |
| High Prince Álmos | Álmos |
| high ranking | altolocato |
| high relief | altorilievo |
| High Representative for the Common Foreign and Security Policy | Alto Rappresentante per la Politica Estera e di Sicurezza Comune |
| High resolution spectrosopy | Spettroscopia ad alta risoluzione |
| high school | scuola media superiore |
| high school diploma | diploma di maturità |
| high school graduate | diplomato |
| High School Musical | High School Musical |
| High School Musical Soundtrack | High School Musical |
| high seas | alto mare |
| High Seas Fleet | Hochseeflotte |
| high season | alta stagione |
| high society | alta società |
| High speed steel | Acciaio super rapido |
| high street | strada principale |
| High Tatras | Alti Tatra |
| high tech | ad alta tecnologia |
| High Tech Computer Corporation | High Tech Computer Corporation |
| high technology | tecnologia avanzata |
| high tension | alto voltaggio |
| high tide | alta marea |
| high tide water | acqua di alta marea |
| high treason | alto tradimento |
| high voltage | alto voltaggio |
| high voltage line | linea elettrica a alta tensione |
| high wall | muraglia |
| high water | alta marea |
| high wire walker | funambolo |
| high-backed chair | scranna |
| High-bandwidth Digital Content Protection | HDCP |
| high-beam headlights | abbaglianti |
| high-class | di prim'ordine |
| High-Definition Multimedia Interface | HDMI |
| High-end audio | Hi-end |
| high-fidelity | alta fedeltà |
| high-flier | ambizioso |
| high-flown | altisonante |
| high-frequency | ad alta frequenza |
| high-grade | di prima qualità |
| high-handed | arrogante |
| high-hat | altezzoso |
| high-jack | dirottare |
| high-jacker | pirata dell'aria |
| high-jacking | pirateria dell'aria |
| High-latitude | Antartico |
| high-level | ad alto livello |
| high-minded | nobile |
| high-mindedness | magnanimità |
| high-octane gas | supercarburante |
| high-pitched | acuto |
| high-powered | potente |
| high-pressure | ad alta pressione |
| high-priced | caro |
| high-principled | di elevati principi |
| high-ranking | di alto rango |
| high-rise building | costruzione di grande altezza |
| High-rise housing estate | Area |
| high-sounding | altisonante |
| high-speed | ad alta velocità |
| High-Speed Circuit-Switched Data | HSCSD |
| High-Speed Downlink Packet Access | High-Speed Downlink Packet Access |
| High-speed film | Pellicola ad alta sensibilità |
| high-speed railway | ferrovia ad alta velocità |
| high-speed train | treno ad alta velocità |
| High-Speed Uplink Packet Access | High-Speed Uplink Packet Access |
| high-spirited | allegro |
| high-spiritedness | esuberanza |
| high-strung | nervoso |
| high-tech | di tecnologia avanzata |
| High-Tech Architecture | High tech |
| high-technology | di tecnologia avanzata |
| highborn | nobile di nascita |
| highboy | settimanale |
| highbrow | intellettuale |
| higher | più alto |
| higher education | istruzione superiore |
| higher up | più in alto |
| Higher-order function | Funzione di ordine superiore |
