backing up

Going in reverse

Backing up covers several kinds of rearward or supportive movement.

A vehicle backs up when it reverses: Traffic was backing up for miles.

A person backs up when retreating or moving backward.

To back someone up is to support or defend them: I knew she'd be backing me up in the meeting.

In computing, backing up means copying data for safekeeping: I should have been backing up my files regularly.

A drain or toilet backs up when flow reverses due to blockage.

Opposites
direction of movement

backing upmoving forward

Continuing toward a goal

going forward · advancing · proceeding · progressing · forging ahead

data protection

backing updeleting

Removing from existence

erasing · wiping · restoring · recovering · trashing

support/endorsement

backing upundermining

Weakening by covert means

opposing · contradicting · abandoning · betraying · turning against

Family

back, backing, backup, back up, backer, backers, backups, backed up

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