meddle vs intervene

meddle and intervene both are verbs.

Word	Noun	Adjective	Verb	Adverb
meddle	No	No	Yes	No
intervene	No	No	Yes	No

As verbs, intervene is a hypernym of meddle; that is, intervene is a word with a broader meaning than meddle:

meddle: intrude in other people's affairs or business; interfere unwantedly
intervene: get involved, so as to alter or hinder an action, or through force or threat of force

Other hypernyms of meddle include interfere, interpose, step in.

meddle (verb)	intervene (verb)
intrude in other people's affairs or business; interfere unwantedly	occur between other event or between certain points of time
	get involved, so as to alter or hinder an action, or through force or threat of force
	be placed or located between other things or extend between spaces and events