Insidious Meaning
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insidious
in-sid-i-ous
🇺🇸 /ˌɪnˈsɪˌdiəs/
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🇬🇧 /ɪnsˈɪdɪəs/
Quick facts about “insidious”
Insidious is a 4-syllable English word (in-sid-i-ous). It is pronounced /ˌɪnˈsɪˌdiəs/ in American English and /ɪnsˈɪdɪəs/ in British English.