1. In the first place; principally; preëminently; above; especially.
Search through this garden; leave unsearched no nook;
But chiefly where those two fair creatures lodge. --Milton.
2. For the most part; mostly.
Those parts of the kingdom where the . . . estates of the dissenters chiefly lay. --Swift.
adv : for the most part; "he is mainly interested in butterflies"
[syn: principally, primarily, mainly, in the