Crush:
1. A usually temporary infatuation.
2. One who is the object of such an infatuation.
Like:
To find pleasant or attractive
Love:
1. A deep, tender, ineffable feeling of affection and solicitude toward a person, such as that arising from kinship, recognition of attractive qualities, or a sense of underlying oneness.
2. A feeling of intense desire and attraction toward a person with whom one is disposed to make a pair; the emotion of sex and romance.
3. a. Sexual passion.
b. Sexual intercourse.
c. A love affair.
4. An intense emotional attachment, as for a pet or treasured object.
5. A person who is the object of deep or intense affection or attraction; beloved. Often used as a term of endearment.
- all from
www.dictionary.com