Green’s Dictionary of Slang

all there adj.

1. fashionable, well-dressed.

[UK]Hotten Sl. Dict. 67: ALL THERE, in strict fashion, first-rate, ‘up to the mark.’.

2. honest, reliable.

[Aus]Adelaide Obs. (SA) 8 May 2/2: He had certificates of character to shew that ‘he was all there,’ which his Worship declined perusing, by saying, with much gravity, ‘No, I'm much obliged to you’.
[UK]A. Mayhew Paved with Gold 97: I could see he were all there, and a rare bit of stuff.
[UK]Hotten Sl. Dict.
[Aus]M. Clarke Term of His Natural Life (1897) 275: You will find us rough, Mr Meekin, [...] but you’ll find us ‘all there’ when we’re wanted.
[UK]J. Payn Thicker than Water II 43: It was his excusable boast, though expressed in somewhat vulgar language, that when anything was wanted he was ‘all there’.
[Aus]G.H. Lawson Dict. of Aus. Words And Terms 🌐 ALL THERE — Expression of praise.

3. as desired, satisfactory.

[Aus]Bell’s Life in Sydney 13 Feb. 2/3: ‘My oath,’ as a snug turfite is apt to repeat, ‘he was all there’.
[Aus]Bell’s Life in Sydney 29 Nov. 2/7: Mr Brenan - Was the champagne good, Captain? Capt Baxter - Yes sir-ree. Mr Brenan - And the brandy too? Capt B. - Yes, the brandy was all thar, too .
[UK]Hotten Dict. of Modern Sl. etc. (2nd edn).
[Aus]Geelong Advertiser (Vic.) 2 Apr. 3/1: Upston was all there as wicket keeper, as well as Williamson and O’Dwyer at bowling.
[US]G.P. Burnham Memoirs of the US Secret Service iv: All There, to be on time, on hand, ‘up to the mark’.
[UK] ‘’Arry on the Road’ in Punch 9 Aug. 83/1: If there’s any fun to the fore, you’ll find ’Arry all there.
[Aus]Sydney Sl. Dict. (2 edn) 1: All There - Up to the mark. A term of encomium. Sometimes, ‘All the way there’.
[UK]Referee 15 Jan. in Ware (1909) 243/2: Mrs Saker has done great things at the Liverpool Alexandra with ‘Aladdin’, the scenery and company being alike excellent. Miss Jenny Hill is all there, as she ever was.
[UK] ‘’Arry at a Radical Reception’ in Punch 12 May 219/1: I saw by the looks of the ladies [...] that ’Arry was simply all there.
[UK]London Dly News 1 Feb. 4/7: When we are tired of crying ’A1’ we may say ‘the cheese’ or ‘all there’ or ‘up to the knocker’ or ‘down to the ground’.
[Aus]C. Crowe Aus. Sl. Dict 3: All There, up to the mark.
[NZ]Truth (London) 18 June 1678/3: Slang terms: The Al, all-there, awful, bang-up, bully.

4. smart, aware.

[Aus]Bell’s Life in Sydney 9 June 3/3: The dodge was no go, Mrs Wright was ‘all there’ .
[Aus]Ovens & Murray Advertiser (Beechworth, Vic.) 31 Oct. 3/1: The chaps in the banks will join the ranks / And think themselves ‘all there’.
[UK]Derby Day 42: ‘Throw your teeth at a stuffed donkey,’ exclaimed the trainer. ‘Don’t you talk to me; I’m all there, don’t you make a mistake, guv’nor.’.
[UK] ‘’Arry on Fashion’ in Punch 10 Sept. 110/1: I tell you we’ve got to be in it, all there like, or go to the wall.
[UK] ‘’Arry and the [...] Lady Cyclists’ in Punch 15 June 285/1: It took me aback for a jiff, th’ of course I was speedy all there.
[UK]Gem 23 Jan. 9: He’s all there, pard. He’s up to snuff.
[UK]Gem 25 Nov. 18: For Fatty Wynn was ‘all there’.
[Aus]Sport (Adelaide) 18 Dec. 5/2: If Charlie goes to punch his head / He’ll find that Matt’s all there.
[UK]Tamworth Herald 30 Dec. 2/4: He was a small wiry nimble personality, very friendly and very ‘cute’. He was ‘all there’.
[US]H. Gold Man Who Was Not With It (1965) 18: I wanted to be with it someday like Grack, all there, hard, dark, and sure of himself.

5. sane, in one’s right mind.

[UK]T.B. Reed Cock House Fellsgarth 27: ‘I heard Yorke just now ask Denton if he thought Fisher’s minor was all there’.
Free Lance 27 Apr. 79 1: She was all there, and when she found that robbery was meant she made a stout resistance [F&H].
[UK]‘Sapper’ Bulldog Drummond 25: I suppose you think that I’m hysterical [...] You’re probably even wondering whether I’m all there.
[UK]J. Curtis Gilt Kid 240: ‘What’s the matter with you, mad?’ ‘No, I’m all there.’.
[UK]A. Sillitoe Sat. Night and Sun. Morning 149: ‘He must be all there,’ his mother said about her brother, pointing to her temples, ‘to make the money he makes.’.
Online Sl. Dict. 🌐 all-there adj 1. sane.
[UK]J. Hoskison Inside 132: Although slow, they were mentally ‘all there’.