Caustic

7 lettersadjectivemoderate

Updated June 2026

Definition

A chemical substance capable of burning or destroying living tissue on contact.

“The technician handled the caustic with extreme care to avoid skin burns.”

Pronunciation

IPA

/ˈkɔːstɪk/

Syllables

caus·tic

Related Words

Synonyms

acerb acerbic acid acrid bitterblisteringsulfuroussulphurous

Word Game Tips

🟩

Wordle

Contains common letters C, A, T, the AU vowel pair is useful to place early

🔤

Scrabble

Worth 12 points, the C and K-hook potential make it versatile for extensions

Words Related to Caustic

Words you can make from Caustic

Shorter words formed from the letters in “caustic”.

cactus cicuta accts accus actus cacti cista citua cutis ictus scaut scuta sicca stacc succi ticca acct acis acts actu acus aits asci atis

Add a letter to make a longer word

8-letter words you can spell by adding one letter to “caustic”.

acoustic

Explore Similar Words

7-letter words starting with C 7-letter words ending with C All 7-letter words 6-letter words 8-letter words All word lists

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Dictionary References

Look up caustic in an authoritative dictionary for full definitions, pronunciation, and etymology.

Cambridge Dictionary Merriam-Webster

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