Word Study
impertinently |
impertransibility |
impertransible |
imperturbability |
imperturbable |
imperturbableness
| imperturbably
| imperturbation
| imperturbed
| imperviability
| imperviable
imperturbableness
WORDNET DICTIONARY
Noun imperturbableness has 1 sense
- imperturbableness(n = noun.feeling) coolness, imperturbability - calm and unruffled self-assurance; "he performed with all the coolness of a veteran" is a kind of calmness
Derived form adjective imperturbable1
For further exploring for "imperturbableness" in Webster Dictionary Online