1. In a preliminary manner.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• oreliminarily,
• lreliminarily,
• -reliminarily,
• 0reliminarily,
• peeliminarily,
• pdeliminarily,
• pfeliminarily,
• pteliminarily,
• p5eliminarily,
• p4eliminarily,
• prwliminarily,
• prsliminarily,
• prdliminarily,
• prrliminarily,
• pr4liminarily,
• pr3liminarily,
• prekiminarily,
• prepiminarily,
• preoiminarily,
• preluminarily

• preliminary,
• prominently,
• preeminently,
• preferentially,
• primarily,
• Provencially,
• preparatory,
• premierly,
• Prudentially,
• precedentially.

The adjective form of the word "preliminarily" is "preliminary".

The plural form of the word "preliminarily" is "preliminaries"

The singular form of the word "preliminarily" is "preliminary"