1.
If two or more things are ~, they are similar in some way.
We looked very ~.
? different
ADJ: v-link ADJ
2.
Alike means in a similar way.
...their assumption that all men and women think ~.
? differently
ADV: ADV after v
3.
You use ~ after mentioning two or more people, groups, or things in order to emphasize that you are referring to both or all of them.
The techniques are being applied almost everywhere by big and small firms ~.
= equally
ADV: n and n ADV emphasis
4.
see also look~