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

The advancing gas front improves sweep efficiency by penetrating tight, unreached reservoir compartments that standard water-injection floods bypass during secondary extraction campaigns. — Aman Tripathi, Interesting Engineering, 2 Sep. 2026

So, a new ground-penetrating-radar survey of the area was commissioned by the county. — Oliver Wu, Rolling Stone, 1 Sep. 2026

The Jordanian military did not comment on whether other drones or missiles had penetrated its defenses and reached the air bases. — Jane Arraf, NPR, 31 Aug. 2026

And since foreign agents are potentially everywhere, the counterintelligence approach has allowed the FSB to penetrate more deeply into ordinary society, as well as into private-sector companies and state institutions themselves. — Andrei Soldatov, Foreign Affairs, 31 Aug. 2026