throw into great confusion or disorder; "Fundamental Islamicists threaten to perturb the social order in Algeria and Egypt"
disturb in mind or make uneasy or cause to be worried or alarmed; "She was rather perturbed by the news that her father was seriously ill"
cause a celestial body to deviate from a theoretically regular orbital motion, especially as a result of interposed or extraordinary gravitational pull; "The orbits of these stars were perturbed by the passings of a comet"
disturb or interfere with the usual path of an electron or atom; "The electrons were perturbed by the passing ion"
of a seeker; near to the object sought; "you're getting warm"; "hot on the trail"
uncomfortable because of possible danger or trouble; "made things warm for the bookies"
characterized by liveliness or excitement or disagreement; "a warm debate"
having or producing a comfortable and agreeable degree of heat or imparting or maintaining heat; "a warm body"; "a warm room"; "a warm climate"; "a warm coat"
psychologically warm; friendly and responsive; "a warm greeting"; "a warm personality"; "warm support"
(color) inducing the impression of warmth; used especially of reds and oranges and yellows; "warm reds and yellows and orange"
make warm or warmer; "The blanket will warm you"
get warm or warmer; "The soup warmed slowly on the stove"
keep in one's mind; "I cannot retain so much information"
secure and keep for possible future use or application; "The landlord retained the security deposit"; "I reserve the right to disagree"
allow to remain in a place or position; "We cannot continue several servants any longer"; "She retains a lawyer"; "The family's fortune waned and they could not keep their household staff"; "Our grant has run out and we cannot keep you on"; "We kept the work going as long as we could"
hold within; "This soil retains water"; "I retain this drug for a long time"
United States tennis player who in 1938 was the first to win the Australian and French and English and United States singles championship in the same year (1915-2000)