1 agreement, understanding, deal, bargain, arrangement, pact, commitment, obligation, compact:
We have just signed a contract to supply office equipment to a new electronics company.
2 engage, agree, promise, covenant, undertake:
Our company contracted to maintain the roads in this area.
3 catch, acquire, get, come down with, develop, become infected with, Brit go down with:
Eunice contracted diphtheria.
4 diminish, shrink, draw together, roll (oneself), narrow, squeeze, constrict, compress, condense, decrease, reduce:
When disturbed, the animal contracts itself into a ball.
5 wrinkle, knit, crease, corrugate, pucker:
His brow contracted into a frown.