1. Something essential or very desirable

Derived forms: must-haves

• aerosolised
• aerosolize
• aerosolized
• aerospace
• aerospace engineer
• aerospace medicine
• aerostat
• Aertex
• aery
• Aeschylean
• Aeschylus
• aeschynanthus
• Aeschynanthus radicans
• aesculapian
• Aesculapius
• Aesculus
• Aesculus hippocastanum
• Aesir
• Aesop
• Aesop's fables
• aesthesia
• aesthesis
• aesthete
• aesthetic
• aesthetical