| insalubrious |
detrimental to health; not healthful. |
| insane |
having a disabling mental disease; crazy; mad. [4 definitions] |
| insanitary |
not sanitary or healthy; unsanitary. |
| insanity |
persistent or permanent mental disorder or derangement. [4 definitions] |
| insatiable |
incapable of being satisfied or fulfilled; extremely greedy. |
| insatiate |
not satisfied; impossible to satisfy; insatiable. |
| inscape |
the essence of a person, place, thing, or event, esp. as expressed in poetry. |
| inscribe |
to write or impress (words or the like). [5 definitions] |
| inscription |
something that is inscribed, such as words on a monument. [3 definitions] |
| inscrutable |
impossible to comprehend or interpret; mysterious. |
| inseam |
the seam on the inner side of a pant leg, from the crotch to the hem. |
| insect |
the group of very small invertebrate animals that have segmented bodies, three pairs of legs, and usu. wings. [3 definitions] |
| insecticide |
a substance used to kill insects. |
| insectifuge |
a substance used to drive away insects. |
| insectivore |
an animal or plant that eats insects. [2 definitions] |
| insectivorous |
eating insects primarily or exclusively. [2 definitions] |
| insecure |
having insufficient protection; not safe or secure. [3 definitions] |
| insecurity |
the condition or quality of having insufficient protection or not being safe. [3 definitions] |
| inseminate |
to place sperm in the womb of (a female), esp. for reproduction. [2 definitions] |
| insensate |
not having feelings or sensations; inanimate. [3 definitions] |
| insensible |
without normal sensations; unconscious. [4 definitions] |