firstborn

adj 0.815

lastborn

adj 0.678

first

adj 0.655

eldest

adj 0.620

secondborn

adj 0.609

primiparous

adj 0.599

primo

adj 0.595

premier

adj 0.585

primigravid

adj 0.583

number one

adj 0.581

foremost

adj 0.573

originary

adj 0.571

maiden

adj 0.569

birth

adj 0.565

newborn

adj 0.559

primary

adj 0.559

prime

adj 0.557

primal

adj 0.556

initial

adj 0.553

prima

adj 0.544

frontmost

adj 0.535

one-year-old

adj 0.535

onefold

adj 0.535

first class

adj 0.533

twin-born

adj 0.530

rookie

adj 0.522

beginning

adj 0.522

leadoff

adj 0.522

primordial

adj 0.518

prim

adj 0.517

fledgling

adj 0.517

prelingual

adj 0.517

primeval

adj 0.517

inaugural

adj 0.515

filial

adj 0.515

seniormost

adj 0.514

leading-edge

adj 0.513

singulative

adj 0.512

born

adj 0.512

first hand

adj 0.508

maidenly

adj 0.506

twenty-first

adj 0.502

topflight

adj 0.501

top-level

adj 0.500