3 harsh and threatening in manner or appearance the fierce faces of the players on the opposing hockey team Synonyms austere, dour, grim, flinty, forbidding, gruff, intimidating, lowering (also louring), rough, rugged, severe, stark, steely, stern, ungentleRelated Words bleak, cold, hostile, inhospitable, inimical, unfriendly, unsympathetic; adamant ...
Puffer fish from all other sources potentially contain deadly toxins and therefore are not considered safe. The liver, gonads (ovaries and testes), intestines, and skin of some puffer fish contain the toxins tetrodotoxin and/or saxitoxin.
On the other hand, the puffer fish is only lethal if you want to eat it, but if it is well prepared, meaning the venom is taken out, the only thing thatâs left is the adrenaline of eating something which could kill you. 5. Polonium. Polonium is a radioactive poison, a slow killer with no cure.