1 immerse, plunge, duck, dunk, douse, bathe, submerge:
He dipped each dish into the soapy water.
2 decline, go down, fall, descend, sag, sink, subside, slump:
The road dips after the next curve. The price of shares has dipped again.
3 dip in or into. dabble in, play at; skim, scan:
I haven't had time to read it, but I dipped into it here and there.
4 swim, plunge; immersion; Brit bathe:
We are going for a dip in the pool before dinner.
5 lowering, sinking, depression, drop, slump, decline:
This dip in the price of oil means nothing.