Permanent Undersecretary 
(also Permanent Secretary)
noun
(In the UK) a senior civil servant who is a permanent adviser to a Secretary of State.Would you consider that she should instead invite you to dinner with her Permanent Secretary and three or four senior officials?...
- The current Permanent Secretary has already made a start: widening the pool of recruitment to bring in senior staff with a greater level of expertise.
- ‘What we want is something which the public wants, is incredibly popular and is free,’ says the Permanent Secretary.
- on one's honour
- on one's jack (or Jack Jones)
- on one's knees
- on one's last legs
- on one's (or the) doorstep
- on one's own
- on one's own account
- on one's own ground
- on one's own hook
- on one's own initiative
- on one's own responsibility
- on one's plate
- on one's toes
- on one's uppers
- Onopordon
- Onopordum
- on (or at or in) every corner
- on (or at) sight
- on (or by) foot
- on order
- verglas
- veridical
- veridicality
- veridically
- veriest