thought
noun
θɔːt 
θɔːt something you think
1 [countable] something that you think of or rememberthought of (somebody/something) doing something I don't like the thought of you walking home alone.thought of something The very thought of it makes me feel sick.thought (that…) She was struck by the sudden thought that he might already have left.I've just had a thought (= an idea).Would Mark be able to help?It's just a thought.‘Why don't you try the other key?’ ‘That's a thought!’All kinds of thoughts raced through my mind.I'd like to hear your thoughts on the subject.mind/ideas
2 thoughts [plural] a person's mind and all the ideas that they have in it when they are thinkingMy thoughts turned to home.You are always in my thoughts.process/act of thinking
3 [uncountable] the power or process of thinkingA good teacher encourages independence of thought.She was lost in thought (= concentrating so much on her thoughts that she was not aware of her surroundings).4 [uncountable] the act of thinking seriously and carefully about somethingSynonym
considerationI've given the matter careful thought.Not enough thought has gone into this essay.care/worry
5 [countable] thought (for somebody/something) a feeling of care or worrySpare a thought for those without enough to eat this winter.Don't give it another thought (= to tell somebody not to worry after they have said they are sorry).It's the thought that counts (= used to say that somebody has been very kind even if they have only done something small or unimportant).intention
6 [uncountable, countable] an intention or a hope of doing somethingthought (of doing something) She had given up all thought of changing her job.thought (of something) He acted with no thoughts of personal gain.in politics/science, etc.
7 [uncountable] ideas in politics, science, etc. connected with a particular person, group or period of historyfeminist thoughtIdioms
have second thoughts
to change your opinion after thinking about something again
You're not having second thoughts about it, are you?on second thoughts
(British English) (North American English on second thought) used to say that you have changed your opinionI'll wait here. No, on second thoughts, I'll come with you.without a second thought
immediately; without stopping to think about something further
He dived in after her without a second thought.