How to spell "instantaneous"

"The light switch provided an instantaneous glow, illuminating the entire room."

• Letters

  13

• Difficulty

  extreme

• Origin

  Latin

• First letter

  I

• accidentally
• accommodating
• accommodation
• acquiescence
• advantageous
• aforementioned
• anachronistically
• antagonistically
• anthropomorphic
• anthropomorphism
• antidisestablishmentarianism
• apologetically

All extreme wordsMore Latin wordsWords starting with I