Similar word to amplest:
abounding, abundant, big, bounteous, bountiful, broad, capacious, commodious, copious, enough, expansive, extensive, full, galore, generous, great, heavy, large, lavish, liberal, no end, plenteous, plentiful, plenty, profuse, rich, roomy, spacious, spare, substantial, unrestrict
abounding, abundant, big, bounteous, bountiful, broad, capacious, commodious, copious, enough, expansive, extensive, full, galore, generous, great, heavy, large, lavish, liberal, no end, plenteous, plentiful, plenty, profuse, rich, roomy, spacious, spare, substantial, unrestrict