It’d is defined as it would or it had.
An example of it’d is writing “It’d be great.” instead of “It would be great.”
See it'd in Webster's New World College Dictionary
See it'd in American Heritage Dictionary 4
Also Mentioned In
bitchy
Bless his heart
escapism
smashing
Browse entries near it'd
istle
Istria
-ist
ISV
is
Iténez
it'll
it's
Itabuna
itacolumite