Speakur

Word Pronunciation & Dictionary

insidiously

/ɪnˈsɪdi.əsli/

Word Rarity Very rare

Frequency: Zipf frequency 2.09 in modern English

Syllables
in-sid-i-ous-ly
IPA
/ɪnˈsɪdi.əsli/
15
Scrabble Score
11
Letters
5
Syllables
8
Unique Chars

Meaning

adv

In an insidious manner.

Etymology

Etymology tree English insidious Middle English -ly English -ly English insidiously From insidious + -ly.

Inflected Forms

more insidiously (comparative) most insidiously (superlative)

Synonyms

perniciously

Questions

How do you pronounce insidiously?
The recorded pronunciation is /ɪnˈsɪdi.əsli/.
What does insidiously mean?
In an insidious manner.
Where does insidiously come from?
Etymology tree English insidious Middle English -ly English -ly English insidiously From insidious + -ly.

How to pronounce insidiously

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