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

While most of that warming occurs near the surface, measurements show heat has also penetrated to depths of roughly 3,000 meters over recent decades. — Brandi D. Addison, USA Today, 2 July 2026

Investigators using ground-penetrating radar found 117 intact remains in various stages of decomposition buried in an open field, the sheriff’s office said. — ABC News, 28 June 2026

No one admits to having asked a bad question in polite company, yet the difference between a superficial inquiry and a penetrating one often determines whether a company merely iterates or genuinely transforms. — Alexander Puutio, Forbes.com, 30 June 2026

Israel has a long track record of targeting senior Iranian military officers and government officials and successfully penetrating the Iranian regime’s security. — Natasha Lebedeva, NBC news, 3 July 2026