How many syllables in “radioactive”?
syllables in "radioactive"
Word details
Syllables
3
radi · oact · ive
Letters
11
r · a · d · i · o · a · c · t · i · v · e
Scrabble
17
points
Scrabble letter values
Count another word
About the word “radioactive”
The word “radioactive” contains 3 syllables, divided as radi · oact · ive. It has 11 letters.
FAQ
How many syllables does "radioactive" have?
"radioactive" has 3 syllables.
How do you divide "radioactive" into syllables?
"radioactive" is divided into syllables as: radi · oact · ive.
What is the Scrabble score for "radioactive"?
The Scrabble score for "radioactive" is 17 points.
Using “radioactive” in writing
Three-syllable words like "radioactive" (radi · oact · ive) create a rolling, flowing rhythm in verse. Depending on where the stress lands, they can form dactylic (DUM-da-da) or anapestic (da-da-DUM) feet — common in limericks, ballads, and song lyrics. In haiku, a single three-syllable word covers more than half of a short line.
In word games
In Scrabble and Words With Friends, “radioactive” is worth 17 base points before any board multipliers. That's a high-scoring word — prioritize double or triple word score squares to maximize your turn.