Word Pronunciation & Dictionary

assiduous

/əˈsɪd͡ʒu.əs/

Word Rarity Very rare

Frequency: Zipf frequency 2.15 in modern English

Syllables: as-sid-u-ous
IPA: /əˈsɪd͡ʒu.əs/

10

Scrabble Score

9

Letters

4

Syllables

6

Unique Chars

Meaning

adj

Hard-working, diligent or regular (in attendance or work); industrious.

Example Sentences

"He was officious in the right time and place, quiet as a lamb when his patron seemed inclined to study or to muse, active and assiduous to assist or divert him whenever it seemed to be wished."
"He died after three weeks' illness, during which Mrs. Penniman, as well as his daughter, had been assiduous at his bedside."
"A good deal of assiduous attention had enabled Henry to win this place in her affections."
"The most recent attempt to contact Pioneer 10 was on 6-7 February 2003. But in this case, the Madrid station got conclusively null results after an assiduous search."
"Klein rose to prominence in the 1960s by assiduous application of accounting methods to the music industry."
"“Asteroid City,” the latest from Wes Anderson, is filled with the assiduous visuals, mythic faces and charming curiosities that you expect from this singular filmmaker."

Etymology

A learned borrowing from Latin assiduus, from assidere (“to sit down to”), from ad- (“to”) + sedere (“to sit”). Compare sedulous. Cognate (via assidere) to assess.

Word Breakdown

Root: *sed-

Regional Pronunciation

American English: /əˈsɪd͡ʒu.əs/
British English: /əˈsɪdjuːəs/

Inflected Forms

more assiduous (comparative) most assiduous (superlative)

Derived Forms

assiduity assiduously assiduousness unassiduous

Synonyms

meticulous diligent sedulous assiduous dogged hardworking industrious notable studious painstaking worksome

Questions

How do you pronounce assiduous?: The recorded pronunciation is /əˈsɪd͡ʒu.əs/.
What does assiduous mean?: Hard-working, diligent or regular (in attendance or work); industrious.
Where does assiduous come from?: A learned borrowing from Latin assiduus, from assidere (“to sit down to”), from ad- (“to”) + sedere (“to sit”). Compare sedulous. Cognate (via assidere) to assess.

How to pronounce assiduous

Open the pronunciation page — Open the Speakur entry for “assiduous”.
Read the phonetic spelling — Read the IPA spelling (/əˈsɪd͡ʒu.əs/) so you know which sounds to aim for.
Play the audio — Click Play to hear reference audio for “assiduous”.
Repeat and practice — Say “assiduous” aloud, matching stress and vowels until it feels natural.