Synonyms of the word

earliest

• adj. superlative form of early: most early.
• adv. superlative form of early: most early.

earlier

• adj. comparative form of early: more early.
• adj. occurring previously.
• adv. comparative form of early: more early.
• adv. previously; before now; sooner.

early

• adj. At a time in advance of the usual or expected event.
• adj. Arriving a time before expected; sooner than on time.
• adj. Near the start or beginning.
• adj. Having begun to occur; in its early stages.
• adv. At a time before expected; sooner than usual.
• adv. Soon; in good time; seasonably.
• n. (informal) A shift (scheduled work period) that takes place early in the day.

soonest

• adj. superlative form of soon: most soon.
• adv. superlative form of soon: most soon.
• adv. (informal) Very soon.