Search:
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
interpersonal (adj.)
1911 (OED finds an isolated use from 1842), from
inter-
"between" +
person
(n.) +
-al
. Introduced in psychology (1938) by H.S. Sullivan (1892-1949) to describe behavior between people in an encounter. Related:
Interpersonally
.