Synonyms of penetrate

penetrate

verb

ˈpe-nə-ˌtrāt 

as in to pierce

to go or come in or into

a needle penetrated the heavy canvas only with great effort

Synonyms & Similar Words

• pierce
• enter
• access
• invade
• set foot in
• step into
• burst (in or into)
• infiltrate
• breeze (in)
• encroach
• drop in
• pop (in)
• intrude
• trespass
• stray (into)
• waltz (in)
• infringe
• wander (into)
• barge (in)
• gate-crash
• crash

Antonyms & Near Antonyms

• leave
• depart
• exit

Synonym Chooser

How does the verb penetrate differ from other similar words?

Some common synonyms of penetrate are enter, pierce, and probe. While all these words mean "to make way into something," penetrate carries a strong implication of an impelling force or compelling power that achieves entrance.

the enemy penetrated the fortress

When would enter be a good substitute for penetrate?

The words enter and penetrate are synonyms, but do differ in nuance. Specifically, enter is the most general of these and may imply either going in or forcing a way in.

entered the city in triumph

When is pierce a more appropriate choice than penetrate?

While in some cases nearly identical to penetrate, pierce means an entering or cutting through with a sharp pointed instrument.

pierced the boil with a lancet

When can probe be used instead of penetrate?

The synonyms probe and penetrate are sometimes interchangeable, but probe implies penetration to investigate or explore something hidden from sight or knowledge.

probed the depths of the sea

Example Sentences

Recent Examples of penetrate

To address this, Zhang’s team designed wide-bandgap solar cells optimized to capture the blue-to-orange light wavelengths that penetrate ocean waters best. — Mrigakshi Dixit, Interesting Engineering, 11 Sep. 2026

Although limited in pitch, their often booming, penetrating sound served crucial roles in early human communication and culture, particularly for signaling across long distances and for ceremonies and other rituals. — Kara Rogers, Encyclopedia Britannica, 10 Sep. 2026

The device allows the sound waves to penetrate the skull without so much as a needle poke or incision and without causing any damage to surrounding bone or tissue in the process. — Kristen Jordan Shamus, Freep.com, 10 Sep. 2026

Radar is the most effective way to penetrate the clouds of Venus to reveal the terrain below, and scientists will use Envision to look for signs of active volcanism. — Stephen Clark, ArsTechnica, 10 Sep. 2026