mutual

modif.

1. Reciprocal

   reciprocal, interchangeable, correlative, complementary, done reciprocally, acting reciprocally, convertible, interchanged, responded to, reciprocated, requited, respective, two-sided, bilateral, give-and-take, interactive; see also exchangeable.

   Antonyms unreciprocated, one-sided, noninterchangeable.

2. Common

   joint, shared, belonging equally to; see common 5.

mutual may imply an interchange of feeling between two persons mutual admiration, mutual enemies, or a sharing jointly with others the mutual efforts of a group; reciprocal implies a return in kind or degree by each of two sides of what is given or demonstrated by the other a reciprocal trade agreement or may refer to any inversely corresponding relationship the reciprocal functions of two machine parts; common simply implies being shared by others or by all the members of a group our common interests