steady

Concise Oxford English Dictionary © 2008 Oxford University Press:
steady/ˈstedi/

▶adjective (steadier, steadiest)

• 1 firmly fixed, supported, or balanced.

  ■ not faltering or wavering; controlled.

  ■ sensible and reliable.

• 2 regular, even, and continuous in development, frequency, or intensity.

• 3 (of a ship) moving without deviation from its course.

▶verb (steadies, steadying, steadied) make or become steady. ▶exclamation a warning to keep calm or take care. ▶noun (pl. steadies)

• 1 informal a person's regular boyfriend or girlfriend.

• 2 a strut for stabilizing a caravan or other vehicle when stationary.

– phrases
go steady informal have a regular romantic or sexual relationship with someone.
steady on! Brit. calm down; be more reasonable.

– derivatives
steadier noun,
steadily adverb,
steadiness noun.

– origin ME: from stead + -y1.