hy·gien·ic 
(hī-jĕnĭk, -jēnĭk)
(hī-jĕnĭk, -jēnĭk)adj.
1. Of or relating to hygiene.
2. Tending to promote or preserve health.
3. Free from pathogenic elements or environments; sanitary.
hy′gieni·cal·ly adv.
- interviewee
- interviewer
- inter vivos
- intervocalic
- interweave
- intestacy
- intestate
- intestinal
- intestinal fortitude
- intestinally
- intestine
- in that
- in the abstract
- in the aggregate
- in the air
- in the bad graces of
- in the bag
- in the balance
- in the bargain
- in the blink of an eye
- in the buff
- in the can
- in the cards
- in the circumstances
- in the clear