- reciprocating, reciprocatory - moving alternately backward and forward
Antonym: nonreciprocal (indirect, via reciprocal)
- reciprocate - act, feel, or give mutually or in return; "We always invite the neighbors and they never reciprocate!"
--1 is one way to act, move
Sample sentence:Derived forms: noun reciprocation3, noun reciprocation1
Somebody ----s
- reciprocate - alternate the direction of motion of; "the engine reciprocates the propeller"
--2 is one way to move
Sample sentences:Derived form: noun reciprocation2
Somebody ----s something
Something ----s something