Assiduous means “diligent,” “hard-working,” or “attentive.”
Acidulous means harsh, bitter in taste or manner.
Acidulous can also be used metaphorically for anything that makes a harsh impression; however, this word is not used very often.
Acidulous in a sentence: He enjoyed the acidulous taste of strong coffee but it was bad for him.
Assiduous in a sentence: He cared for his mother as assiduously as his work.
Assiduous in a Sentence - More Examples
Here are more examples of how to use assidious in a sentence:
- John was so assiduous at work that he was promoted to supervisor.
- I have an assiduous employee who always does her work with painstaking care.
- The professor praised the assiduous student for her good work.
- It's a matter of assiduous study.
- They are assiduous in their efforts to learn the language.
- The firm is assiduous in keeping its customers informed.
Acidulous in a Sentence - More Examples
Here are more examples of how to use acidulous in a sentence:
- The acidulous remark brought immediate laughter from the crowd.
- His acidulous comment stung her pride.
- His acidulous wit was as legendary as his generosity and charm.
- The detective was puzzled by his acidulous refusal to answer questions.
Word Origin of "Acidulous"
Acidulous, with the acid root in it, has almost the same meaning as acetic, only a little more general. For example, while acetic refers to a certain kind of acid (vinegar), acidulous describes the acid taste in general
The word acidulous is derived from the Latin word acēre, meaning "to be sour." It has its origins in the word acid. The word acid was first recorded in English around 1543, but its origin is ultimately Latin, from acidus, meaning "sour".
Word Origin of "Assiduous"
The word assiduous comes from the Latin adjective assiduus, meaning "attentive, industrious." The -ous ending makes it an adjective, and it was formed as a back-formation from the Latin noun assiduitas, meaning "attendance, assiduity," from the verb assidēre, meaning "to sit beside, attend, remain beside."
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