This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

verb-intransitive. To travel by soliciting free rides along a road.

v. To solicit or get (a free ride) along a road.

v. To try to get a ride in a passing vehicle while standing at the side of a road. Generally by either sticking out one's finger or thumb or holding a sign with one's stated destination.

v. To be carried along with something else, for example Genetic Hitchhiking where a gene is propagated because it occurs in conjunction with a favourable mutation, or Cultural Hitchhiking where a cultural trait spreads with a technologically advanced population.

verb-intransitive. To travel by getting free rides from passing vehicles.

v. travel by getting free rides from motorists

"If one of these genes if highly beneficial whereas the other is mildly deleterious (harmful), the deleterious gene can "hitchhike" with its buddy and increase in frequency even though it will lead to the increase in frequency of a maladaptive trait."

hitchhiked    hitchhikes    hitchhiking   

ride   

hitchhiker   

hitch a ride    thumb a ride    thumb a lift    hitch