lull someone into a false sense of security Definition

lull
verb lulled, lulling

1. To soothe or induce a feeling of well-being in someone, especially by caressing them, quietly singing, etc.

Example: lulled the baby to sleep
2. To allay (suspicions), especially falsely.

noun

1. A period of calm and quiet.

Example: a lull before the storm
Thesaurus: pause, respite, let-up, calm, silence, hush, quiet, peace, tranquillity, stillness.

Idiom: lull someone into a false sense of security

To create an atmosphere where any potential worries or anxieties they may have are allayed, especially when the intention is to cause the person harm at some future point in time.

Etymology: 14c: imitating the sound of quiet singing.