Chemistry Word Search — Hard

Play a free online Chemistry word search puzzle. Difficulty: Hard. Find all 12 hidden words on the 12×12 grid below.

Words to find

Plus 4 hidden bonus words.

HARDASS /hɑrdæs/ · noun: A person who is strict and unyielding in their attitudes or opinions; a person who is extremely tough or resilient. Related: tough, strict, unyielding, resilient.
BURNS /bɜːrnz/ · verb (third-person singular of burn); noun (plural of burn): As a verb form, 'burns' is the third-person singular present tense of 'burn', meaning to be consumed or damaged by fire or heat, or to produce flames and heat. As a noun, it is the plural of 'burn', referring to injuries caused by fire, heat, chemicals, or friction. Related: sears, singes, scorches, charred forms.
IMPUGN /ɪmˈpʌɡn/ · verb: To challenge or attack the validity or truth of something, especially a statement or argument. To accuse or criticize someone of wrongdoing. Related: challenge, attack, criticize, question.
LIGHTENS /ˈlaɪtnz/ · verb: to make something less heavy or darker; to become less heavy or darker. Intransitive form: to become less heavy or darker. Related: brightens, clears, dimmers, fades.