Learned borrowing fromLatinarduus.

• IPA^(key): /ˈaɾdwo/[ˈaɾ.ð̞wʊ]
• Rhymes:-aɾdwo
• Hyphenation:ar‧duo

arduo (feminineardua,masculine pluralarduos,feminine pluralarduas)

1. arduous

   Synonyms:ardego,agre,carizolo

2. difficult (of a problem)
3. steep (of a slope)

• arduamente

Borrowed fromLatinarduus.

• IPA^(key): /ˈar.du.o/,/ˈar.dwo/^[1]
• Rhymes:-arduo,-ardwo
• Hyphenation:àr‧du‧o,àr‧duo

arduo (feminineardua,masculine pluralardui,feminine pluralardue)

1. arduous
2. difficult (of a problem)
3. steep (of a slope)

• arduamente

• arduità

• arduo in Treccani.it –Vocabolario Treccani on line, Istituto dell'Enciclopedia Italiana

arduō

1. dative/ablativemasculine/neutersingular ofarduus

Borrowed fromLatinarduus.

• IPA^(key): /ˈaɾdwo/[ˈaɾ.ð̞wo]
• Rhymes:-aɾdwo
• Syllabification:ar‧duo

arduo (feminineardua,masculine pluralarduos,feminine pluralarduas)

1. verydifficult

   Synonym:difícil

2. arduous

   Synonym:trabajoso

• “arduo”, inDiccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1,Royal Spanish Academy [Spanish:Real Academia Española], 15 December 2025

• Galician terms borrowed from Latin
• Galician learned borrowings from Latin
• Galician terms derived from Latin
• Galician terms with IPA pronunciation
• Rhymes:Galician/aɾdwo
• Rhymes:Galician/aɾdwo/2 syllables
• Galician lemmas
• Galician adjectives
• Italian terms borrowed from Latin
• Italian terms derived from Latin
• Italian 3-syllable words
• Italian 2-syllable words
• Italian terms with IPA pronunciation
• Rhymes:Italian/arduo
• Rhymes:Italian/arduo/3 syllables
• Rhymes:Italian/ardwo
• Rhymes:Italian/ardwo/2 syllables
• Italian lemmas
• Italian adjectives
• Latin non-lemma forms
• Latin adjective forms
• Spanish terms borrowed from Latin
• Spanish terms derived from Latin
• Spanish 2-syllable words
• Spanish terms with IPA pronunciation
• Rhymes:Spanish/aɾdwo
• Rhymes:Spanish/aɾdwo/2 syllables
• Spanish lemmas
• Spanish adjectives

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