adj.空的;adj.面无表情的,茫然的,
Merriam-Webster Online Dictionary
vacant (adjective)1.
not occupied by an incumbent, possessor, or officer - a vacant office vacant thrones
2.
being without content or occupant - a vacant seat on a bus a vacant room
3.
free from activity or work - disengaged vacant hours
4.
devoid of thought, reflection, or expression - a vacant smile
5.
not lived in - vacant houses
6.
a) not put to use - vacant land
b) having no heir or claimant - abandoned a vacant estate empty
Merriam-Webster Online Thesaurus
vacant (adjective)1.
lacking contents that could or should be present
SYNONYMS:
bare, blank, clean, devoid, stark, toom, vacant, vacuous, voidRELATED WORDS:
barren, hollow; available, clear, free, open; unfilled, unfurnished; unattended, uninhabited, unoccupied; abandoned, deserted, emptied, forsaken, vacated; depleted, drained, dry, exhaustedNEAR ANTONYMS:
complete; replete; furnished, provided, supplied; filled, occupied; flush, overflowing, packed, teeming2.
not being in a state of use, activity, or employment
SYNONYMS:
dead, dormant, fallow, free, idle, inert, inoperative, latent, off, unused, vacantRELATED WORDS:
abeyant, arrested, interrupted, suspended; unoccupied; asleep, comatose, lifeless, moribund, quiescent, sleepy; inoperable, unusable, unworkable, useless; dull, slowNEAR ANTONYMS:
functional, operable, operational, workable; assiduous, industrious, sedulous; energetic, vigorous; feasible, practical, usable ( useable), useful, viable3.
not expressing any emotion
SYNONYMS:
catatonic, deadpan, empty, expressionless, impassive, inexpressive, numb, stolid, vacantRELATED WORDS:
dull, vacuous, vague, vapid; enigmatic ( enigmatical), impenetrable, inscrutable, mysterious; motionless, static, still, wooden; reserved, restrained, reticent, taciturn; aloof, apathetic, cold, cool, detached, indifferent, phlegmatic, unresponsiveNEAR ANTONYMS:
engaged, interested, responsive; active, alive, animated, bright, busy, dynamic, effervescent, energetic, expansive, exuberant, lively, vivacious; eloquent, revealing, revelatory; gestic, gesticulant, gesticulative, gesticulatory, gestural; emotional, melodramatic, theatrical ( theatric), unreserved, unrestrained4.
left unoccupied or unused
SYNONYMS:
derelict, deserted, desolate, disused, forgotten, forsaken, rejected, vacant, vacated, voidRELATED WORDS:
ignored, neglected, unattended, untended; castaway, cast-off, discarded, jettisoned, junked, refuse, waste; godforsaken, miserable, shabby, wretched; empty, idleNEAR ANTONYMS:
reclaimed, recovered, redeemed, rescued, retrieved, salvaged, saved; reconditioned, rehabbed, rehabilitated, restored; repeopled