Absolutely necessary |
ESSENTIAL |
Accomplishing an objective, efficient |
EFFECTIVE |
Air travel |
AVIATION |
Aircraft and smoothing tools |
PLANES |
Became aware of |
REALISED |
Black-and-white diving bird |
AUK |
Bold and daring |
AUDACIOUS |
Boundaries, demarcation lines |
LIMITS |
Brings water to 100 degrees Celsius |
BOILS |
Devising, designing |
PLANNING |
Difficulties to be resolved |
PROBLEMS |
Division of geological time |
ERA |
Drowsy |
SLEEPY |
Fashions or distinctive modes |
STYLES |
Felt hats with creased crowns |
HOMBURGS |
Fidgety, uneasy |
RESTLESS |
French title |
MONSIEUR |
Fundamental |
BASIC |