Harmful is an adjective used to describe something that causes damage or injury. It can be used to describe a wide range of things, from physical objects to people's behavior. The crossword solutions for the term 'harmful' include 'MORTAL' (6 letters), 'BIASED' (6 letters), 'FATAL' (5 letters), 'LETHAL' (6 letters), 'DIRE' (4 letters), 'NASTY' (5 letters), 'INSULTING' (9 letters), 'ABUSIVE' (7 letters), 'BAD' (3 letters), 'ILL' (3 letters), 'EVIL' (4 letters), 'TOXIC' (5 letters), 'nocemt' (6 letters), 'MALEFIC' (7 letters), 'NOISOME' (7 letters), 'NOXIOUS' (7 letters), 'DAMAGING' (8 letters), 'DELETERIOUS' (11 letters), and 'DETRIMENTAL' (11 letters). These words all have different connotations, but they all refer to something that is harmful in some way. For example, 'MORTAL' refers to something that can cause death, while 'BIASED' implies prejudice or unfairness. Similarly, 'FATAL' and 'LETHAL' both refer to something that can cause death, while 'DIRE' and 'NASTY' are more general terms that refer to something that is unpleasant or dangerous. 'INSULTING', 'ABUSIVE', 'BAD', 'ILL', and 'EVIL' all refer to negative behavior, while 'TOXIC', 'nocemt', 'MALEFIC', 'NOISOME', and 'NOXIOUS' all refer to something that is poisonous or dangerous. Finally, 'DAMAGING', 'DELETERIOUS', and 'DETRIMENTAL' all refer to something that can cause harm or damage.