persistent

Studies also show smaller but still persistent effects from shorter periods spent in nature, she says.

This year, the government defined China as a “sophisticated and persistent challenge” in its strategic defense review, short of defining it a national security challenge.

Amelie described the messaging on multiple platforms including Facebook as "quite persistent".

Other somewhat more didactic or exposition-heavy passages include a professor giving a brief lecture about the persistent and pernicious British class system.

Expectations for an imminent interest-rate increase have been growing as the central bank attempts to balance persistent inflation with lingering uncertainties, including the impact of higher U.S. tariffs.