What word does your mother always say?
late 14c., in grammatical sense (opposed to active), Old French passif "suffering, undergoing hardship" (14c.) and directly from Latin passivus "capable of feeling or suffering," from pass-, past participle stem of pati "to suffer" (see passion). Meaning "not active" is first recorded late 15c.; sense of "enduring suffering without resistance" is from 1620s. Related: Passively. Passive resistance first attested 1819 in Scott's "Ivanhoe," used throughout 19c.; re-coined by Gandhi c.1906 in South Africa. Passive-aggressive with reference to behavior is attested by 1971.
passive pas·sive (pās'ĭv)
Accepting or submitting without resistance or objection.
Of or being an inactive or submissive role in a relationship, especially a sexual relationship.
Chemically unreactive except under special or extreme conditions; inert.