No 12068, Tuesday 25 Jul 2017, Gridman

ACROSS
1   Get going with celebrity goat (5,2) START UP {STAR}{T UP}
5   Got leg to move back and forth (6) TOGGLE*
9   A tiny amount of corn, maybe (5) GRAIN [DD]
10 Criminal Deo spared foolishly (9) DESPERADO*
11 No cover for beautiful art work (7) ETCHING fETCHING
12 Small wrestler's top (7) SPINNER {S}{PINNER}
13 Depression experienced by youth caught between sailor and secret force (5) ABYSS {AB}{Y}{SS}
14 Grand Australian woman's clumsy (9) GAUCHERIE {G}{AU}{CHERIE}
16 Admission by one of being faultless is flawed (9) IMPERFECT {I'M PERFECT}
19 Gave trade a little time (5) DEALT [DEAL}{T} Took it as a telescopic first
21 Fidgety over sunburst? (7) NERVOUS {OVER+SUN}*
23 There is no latitude in this belt (7) EQUATOR [CD]
24 Beggar loses hundred, remains a beggar (9) SUPPLIANT SUPPLIcANT
25 Special vocabulary used in calling oldsters (5) LINGO [T]
26 Insect let out insect (6) BEETLE {BEE}{LET*}
27 Reject girl — small member of the pack (7) DISCARD {DI}{S}{CARD}

DOWN
1   Get signatories to round up one who would not want people mixed (14) SEGREGATIONIST*
2   Clever in any chaos (7) ANARCHY {AN{ARCH}Y}
3   Intense exploitation of court shoes (7) TENNIES* Never knew this! You learn something new everyday
4   Teacher gaped wildly at rascal having lost his head (9) PEDAGOGUE {GAPED*}{rOGUE}
5   Team leader requests assignments (5) TASKS {Team}{ASKS}
6   Shire, gay, not a possibility of becoming colourless (7) GREYISH {SHIRE+GaY}*
7   Head of readers to go into not so strong a student (7) LEARNER {LEA{Re...s}NER}
8   D*** — 'Love' or 'dear' also is such a one (4-6,4) FOUR-LETTER WORD Definition by example
15 Such water may cause disease — such a disease will get worse (9) UNTREATED [C&DD]
17 The hat that one might eat as a snack? (4,3) PORK PIE [DD]

18 Said method allowed to get part of a plant (7) ROOTLET (~route){ROOT}{LET}
19 Large ones bringing in SS? (7) DOUBLES [DD]
20 Feeler put out by worker — girl returns love at last (7) ANTENNA {ANT}{ANNE<=} What's 'love at last' for? See comments
22 Go over a measure (5) SCALE [DD]

GRID