The crossword solutions for the term 'LESS HAZARDOUS' are 'SAFER' and 'SURER'. The term 'LESS HAZARDOUS' implies that something is not as dangerous or risky as it could be. Therefore, the solutions 'SAFER' and 'SURER' indicate that the object or situation in question is less likely to cause harm or injury. 'SAFER' implies that the object or situation is less dangerous than it was before, while 'SURER' suggests that the object or situation is more reliable and dependable.