lost sight of

Let slip away

Lost sight of means to no longer be able to see something: We lost sight of the ship as it rounded the headland.

More often figurative—to forget or neglect something important while focused on other matters: In the rush to meet deadlines, we lost sight of quality.

The phrase implies something was once clearly in view but has slipped from attention or awareness.

Related

unseen · neglected · disregarded · dropped the ball · forgot about · out of mind · astray · forgotten · let slip · disconnected · distracted · unmoored · eclipsed · omitted · derailed · gone astray · diverted · unheeded

Opposites
visual tracking

lost sight ofwatched

Saw with attention

tracked · followed · monitored · observed · spotted

mental awareness/attention

lost sight ofkept in mind

Retained mentally, not forgotten

remembered · held onto · prioritized · attended to · heeded

Family

lost, lose, loses, losing, losers, loss, losses, sight, sights

Familiarity
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Known to kids · Used worldwide · Timeless · Everyday, not technical · Rated G