| 释义 |
unˈgrounded, ppl. a.
[un-1 8. Cf. MDu. ongegrondet, -gront (Du. -grond), G. ungegründet, Da. ugrundet, Sw. ogrundad.]
1. Not based or established in something.
c1380Wyclif Wks. (1880) 38 Euyle lawis vngroundid in holy writt & reson. c1380― Sel. Wks. III. 351 Þus love ungroundid in God..mut nedis faile. 1426Audelay Poems (Percy Soc.) 25 Ȝe beth ungroundid in grace.
2. Having no real basis or justification; unfounded, groundless.
c1380Wyclif Wks. (1880) 337 If he had not couetise of worldly goodis..he shuld.. leue al siche rownyng þat is un⁓grundid. 1597Hooker Eccl. Pol. v. lxii. §16 A few men's new, ungrounded, and as yet unapproved imagination. 1629H. Burton Truth's Triumph 291 Humane deuices, and labyrinths of vngrounded distinctions. 1672Newton in Phil. Trans. VII. 5084, I shall refer him to my former Letter, by which that conjecture will appear to be ungrounded. 1728R. Morris Ess. Anc. Archit. 70 The Executions of their own ungrounded Fancies. 1782Priestley Corrupt. Christianity I. i. 30 Nothing can appear..more ungrounded. 1863E. V. Neale Anal. Th. & Nat. 58 Thus the whole operation appears either useless or ungrounded.
3. Of persons: Not properly instructed or informed (in something).
c1449Pecock Repr. Prol. 3 Therfore to ech such vngroundid and vnredy and ouer hasti vndirnymer and blamer y seie [etc.]. 1581Mulcaster Positions iii. 11 It is a sufficient argument..of an vngrounded learner, if his error be in speeche. 1646P. Bulkeley Gospel Covt. ii. 111 If any be ignorant and ungrounded in the doctrine of grace. 1670Baxter Cure Ch. Div. 168 The pitiful case of the ignorant and ungrounded, and troubled sort of religious persons.
Add:4. Electr. Not grounded or earthed. Chiefly U.S.
1934in Webster. 1952Nucleonics Feb. 32/2 The contact switch is ungrounded. 1964R. F. Ficchi Electr. Interference 2 When power transmission came into more extensive use around 1890..the power lines were generally short..and power systems were ungrounded. 1977Business Week 7 Nov. 27/2 One of the commonest perils is the tendency of ungrounded metal objects near the lines to pick up a dangerous electric charge. |