Impervious: meaning, definitions and examples

This word is often used in a figurative sense to describe something that is unaffected by external factors or influences.

• She remained impervious to criticism
• The materials are impervious to liquids

This word describes objects designed to prevent water from penetrating, and is often used in the context of clothing, gear, or electronics.

• She bought a waterproof jacket for hiking
• The smartphone is waterproof up to 3 meters

This term is typically used in scientific or technical contexts to describe a material that does not allow substances, especially liquids or gases, to pass through.

• The membrane is impermeable to water
• The researchers tested the impermeable barrier

The word 'sealed' is used to indicate that something has been closed tightly to prevent entrance or escape of any substance. It can be used in everyday language.

• Make sure the envelope is sealed before you send it
• The jar is sealed to keep the contents fresh

Use in situations where you want to describe something that cannot be penetrated or affected by external influences, particularly in a literal sense. Often used in scientific or technical contexts.

• The new material is impervious to water.
• He seemed impervious to the cold wind.

Utilized when someone or something remains unchanged or not influenced by external factors. Can be used in both emotional and physical contexts.

• She remained unaffected by the criticism.
• The structure is unaffected by the weather conditions.

Appropriate in situations where someone does not show emotional reaction or does not change their opinion despite attempts to influence them. Often used to describe emotional or persuasive scenarios.

• He was unmoved by her tears.
• Despite the passionate speech, the audience remained unmoved.

Best used when referring to someone who does not show concern or empathy towards others' feelings or situations. It has a negative connotation and often implies a lack of emotional understanding.

• Her insensitive comments hurt his feelings.
• He was insensitive to the needs of his colleagues.