different between pushdown vs pushover

English

Etymology

push +? down; by analogy with a spring-loaded stack of plates in a cafeteria.

Adjective

pushdown (not comparable)

1. (computing) Describing a stack in which items are removed in a LIFO manner from the end at which they were added.

Noun

pushdown (plural pushdowns)

1. A pushdown automaton.
   • 2003, Wilfried Brauer, Hartmut Ehrig, Juhani Karhumäki, Formal and Natural Computing: Essays

     Since indexed grammars are context-free grammars with pushdowns, the generalization of Thatcher's result shows that they generate the yields of the tree languages recognized by deterministic pushdown tree automata.

English

Etymology

push +? over; US 1906 of things, 1926 of people (bad boxers and easy women), popularized by Jack Conway of Variety.

Pronunciation

• IPA^(key): /?p????v?(?)/

Noun

pushover (plural pushovers)

1. Someone who is easily swayed or influenced to change his/her mind or comply.

2. Someone who lets him/herself be picked or bullied on without defending or stand up for him/herself.

Synonyms

• (someone who is easily swayed or influenced): little girl, mollusc, nose of wax
• (someone who lets him/herself be picked-on or bullied): nestle-cock, softy, wuss; see also Thesaurus:milksop

Derived terms

• pushoverness

Translations

See also

• cave
• cave in
• give in
• pullover
• turn the other cheek
• Appendix:Words from Variety

References

Anagrams

• overpush