adv. [f. prec. + -LY2.] In a convulsive manner; spasmodically.
1796. Southey, Mary, Maid of Inn, 20. Her eyes from that object convulsively start.
1802. Med. Jrnl., VIII. 251. The larynx heaved up and down convulsively.
1873. Tristram, Moab, xv. 291. You clutch convulsively at the excrescences of an overhanging rock.
1875. Jowett, Plato (ed. 2), III. 174. Most political changes are made blindly and convulsively.