iffˈy adjective (iffˈier; iffˈiest) (informal)

Dubious, uncertain, risky

as if

1. As it would be if
2. Even supposing that, although, accepting that
3. An interjection expressing incredulity

if only see under only

if only to

If for no other reason than to

ifs and ans

Things that might have happened, but which did not

ifs and buts

Objections

if you like

1. If you want, if you approve
2. To use another expression, to put it a different way