Definition of about :
1. Around; all round; on every side of.
2. Concerning; with regard to; on account of; touching.
3. Here and there; around; in one place and another.
4. In circuit; circularly; by a circuitous way; around the outside; as, a mile about, and a third of a mile across.
5. In concern with; engaged in; intent on.
6. In the immediate neighborhood of; in contiguity or proximity to; near, as to place; by or on ( one's person).
7. Near; not far from; - determining approximately time, size, quantity.
8. Nearly; approximately; with close correspondence, in quality, manner, degree, etc.; as, about as cold; about as high; - also of quantity, number, time.
9. On all sides; around.
10. On the point or verge of; going; in act of.
11. Over or upon different parts of; through or over in various directions; here and there in; to and fro in; throughout.
12. To a reserved position; half round; in the opposite direction; on the opposite tack; as, to face about; to turn one's self about.
nigh, say, across, wherein, practically, what, almost, from side to side, precede, like, half-hour, nearby, in/with regard to, all but, surrounding, concerning, accessible, next door, roughly, back and forth, somewhat, approximately, against, in the round, in connection with something, outside, virtually, landlocked, forward, nearly, as for, hither and thither, maybe, in relation to, spare, some, of, somewhere, alongside, vacant, open, regarding, ahead, perhaps, beyond, fast, backward, thereby, after, passim, more or less, rough, apart, much, close, touching, usable, a.m., down, concerned, astir, backwards, backward and forward, in, beside, back, to the highest degree, just about, conservative, undulating, rearward, up, closely, public, seasonal, hedged in with/by, on offer, next to, round, along, borderline, intimately, united, slightly, fair, onward, two-way, enclosed, close to, fairly, near, away, bingo, heaving, at, well-nigh, on, plus or minus, attached, by, most, available, or so, inside, going, to and fro, devoted, around, speculative, feckly, before, respecting, approach, hereof, up and down
active (part of speech: adjective)