Definition: In a way that is gradual and subtle, but with harmful effects.

Example: The disease spread insidiously, showing no symptoms at first.

Definition: The quality of being harmful in a way that is not easily noticed; it refers to something that gradually and secretly causes harm or danger.

Example: The insidiousness of the disease made it difficult to detect until it was too late.

Definition: Having a deep understanding or perception of something; able to see and understand things clearly and intelligently.

Example: Her insightful comments during the discussion helped everyone see the issue from a new perspective.

Definition: In a way that shows a deep understanding or perception of something.

Example: She explained the complex topic insightfully, making it easier for everyone to understand.

Definition: The state of being unimportant or having little value.

Example: Many people feel a sense of insignificance in a large crowd.

Definition: The quality of being unimportant or not having any value.

Example: The insignificancy of the issue made it easy to overlook during the meeting.

Definition: Something that has little or no importance or value.

Example: The mistake was so small that it was considered insignificant.

Definition: Not being genuine or honest in feelings or expressions; often pretending to be something one is not.

Example: His insincere apology did not convince anyone.

Definition: In a way that is not genuine or truthful; expressing feelings or thoughts that are not sincere.

Example: She apologized insincerely, making it clear she didn't really mean it.

Definition: The quality of not being honest or genuine in feelings or expressions.

Example: Her insincerity was evident when she pretended to be happy for her friend's success.