Pronunciation: [ˈɑːdjuːəs] (IPA) 
The word "arduous" can be challenging to spell due to its unusual pronunciation. It is pronounced as /ˈɑːdʒuəs/ which can be broken down into individual sounds: the "ar" sound as in "car", the "d" sound as in "dog", the "ju" sound as in "june", the "ə" sound as in "a" and the "s" sound as in "bus". The word "arduous" means difficult or strenuous and is often used to describe a task or activity that requires a lot of effort to complete.
Arduous is an adjective that describes a task, activity, or situation that requires considerable effort, endurance, or difficult exertion. It refers to something that is demanding, laborious, or strenuous, often involving physical or mental challenging aspects.
The term "arduous" suggests the presence of obstacles, hardships, or complexities that make the task or situation more difficult than usual. It implies that the endeavor requires a significant amount of energy, determination, and perseverance to overcome. Examples of arduous tasks might include climbing a steep mountain, running a marathon, or solving a complex mathematical problem.
The word can also denote an activity or process that involves great effort or challenge due to the tedious, time-consuming, or exhausting nature of the task. For instance, writing a lengthy research paper, preparing for a grueling exam, or completing a complicated construction project may all be considered arduous undertakings.
The term is often used to highlight the level of difficulty or the degree of hardship involved in accomplishing something. It signifies that the task is demanding and will require individuals to push themselves physically, mentally, or emotionally in order to achieve success.
In summary, "arduous" refers to a task or situation that requires a significant amount of effort, endurance, or difficult exertion to accomplish due to obstacles, complexities, or hardships.
Of difficult attainment; attended with great labour.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
* The statistics data for these misspellings percentages are collected from over 15,411,110 spell check sessions on www.spellchecker.net from Jan 2010 - Jun 2012.
The word "arduous" is derived from the Latin word "arduus", which means high, steep, or difficult. The Latin word is further believed to have originated from the Proto-Indo-European root "*h₂er-" or "*h₂r-", which conveys the idea of rising, elevating, or being high. In English, "arduous" first appeared in the late 16th century, retaining its original meaning of demanding or difficult.
