Use 'impermeable' when describing materials that block liquid, like in clothing or construction.

Material Context

In environmental contexts, 'impermeable' can refer to soil or rocks that don't let water through.

Nature Settings

Sometimes used figuratively, like saying a policy or rule is strict and unyielding.

Metaphorical Use

Use when discussing objects designed to protect by blocking entry, like walls or barriers.

Physical Protection

'Impermeable' can describe barriers that aren't literal, such as emotional shields.

Non-physical Barriers

Shows emotional resilience, blocking off negative influences or criticisms.

Emotional Strength

May indicate a strong leader who isn't swayed by others' opinions.

Leadership Qualities

 which privileged people like to think is fixed and impermeable, with them on the good side, the others on the bad side -- I knew that line was movable, and it was permeable. Good people could be seduced across that line, and under good and some rare circumstances, bad kids could recover with help, with reform, with rehabilitation.

The psychology of evil PIPE...

 Plants' defenses start at their surface. The bark covering tree trunks is full of lignin, a rigid web of compounds that's tough to chew and highly impermeable to pathogens. Leaves are protected by a waxy cuticle

The amazing ways plants...

 cities can create their own distinct weather because most of their surface is covered with impermeable materials cities are not only warmer they're also