Italian

Adjective

arduo m ‎(feminine singular ardua, masculine plural ardui, feminine plural ardue)

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

Latin

Adjective

arduō

1. dative masculine singular of arduus
2. dative neuter singular of arduus
3. ablative masculine singular of arduus
4. ablative neuter plural of arduus

Spanish

Etymology

Borrowed from Latin arduus.

Adjective

arduo m ‎(feminine singular ardua, masculine plural arduos, feminine plural arduas)

1. very difficult
2. arduous

Synonyms

• (arduous): trabajoso

Derived terms

• arduidad
• arduamente