unpenetrating

Fails to enter

Unpenetrating describes something that fails to pierce, enter, or reach beneath the surface.

The word applies literally to objects that don't break through barriers, but more often appears figuratively: an unpenetrating mind lacks insight or depth, an unpenetrating gaze doesn't see past appearances.

His unpenetrating analysis missed the real causes of the crisis.

unperceptive

oblivious

Lacking any awareness

obtuse · uncomprehending · imperceptive · unaware · blind · insensible · dense · thick · slow · dull-witted

blunt

rounded

Having no sharp angles

stubbed · broad · thick · flat · wide · cushioned · padded · soft · rubberized · smooth

dull

tedious

Boring through length

lackluster · insipid · vapid · flat · lifeless · colorless · stale · shallow · superficial · uninspired

indifferent

apathetic

Without feeling or concern

dispassionate · aloof · impassive · uncaring · disinterested · cool · lukewarm · unresponsive · nonchalant · phlegmatic

Opposites
intellectual acuity

unpenetratingpenetrating

Passing into or through

acute · sharp · incisive · piercing · keen

physical piercing capacity

unpenetratingpenetrating

Passing into or through

piercing · sharp · cutting · perforating · permeating

Family

penetrate, penetrating, penetrated, penetrates, penetration, penetrative, penetrator, impenetrable, impenetrability

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Used worldwide · Timeless · Everyday, not technical · Rated G