1. Enter briefly
   "He popped in for two minutes"

Derived forms: popping in, popped in, pops in

Type of: come in, enter, get in, get into, go in, go into, move into

Antonym: pop out

• self-regulation
• self-regulatory
• self-reliance
• self-reliant
• self-renewal
• self-renewing
• self-renunciation
• self-report inventory
• self-report personality inventory
• self-reproach
• self-reproof
• self-respect
• self-respectful
• self-respecting
• self-restraining
• self-restraint
• self-righteous
• self-righteously
• self-righteousness
• self-rising flour
• self-rule
• self-sacrifice
• self-sacrificing
• self-satisfaction
• self-satisfied