Most antifreeze solutions contain high levels of ethylene glycol, an ingredient that, once metabolized, is extremely toxic to dogs and cats. Pets are often attracted to the liquid because of its sweet taste. Even small amounts can be lethal to animals.
Wiktionary(0.00 / 0 votes)Rate this definition: arduous(Adjective) Needing or using up much energy; testing powers of endurance. The movement towards a peaceful settlement has been a long and arduous political struggle.
furÂ·tive. adj. Characterized by, acting with, or suggesting stealth or a desire to avoid discovery; surreptitious: J.W. from time to time gave her a furtive squeeze of the hand, but they never got to go out alone any more (John Dos Passos). See Synonyms at secret.